change binder -> colab (#31)

* change binder -> colab

* did i add all them back now?

docs/index.html

@@ -77,6 +77,7 @@ <h2 style='font-weight: bold'>Fitting with spectral-cube</h2>
             <a style='font-weight: bold; display: inline-block; margin-left: 15px' href="fitting_with_spectralcube.html">Rendered Notebook</a>
             <a style='font-weight: bold; display: inline-block; margin-left: 15px' href="https://github.com/radio-astro-tools/tutorials/blob/master/spectral_fitting/fitting_with_spectralcube.ipynb"><span class="label">Notebook on Github</span></a>
             <a style='display: inline-block; margin-left: 15px' href="https://mybinder.org/v2/gh/radio-astro-tools/tutorials/HEAD?labpath=spectral_fitting%2Ffitting_with_spectralcube.ipynb"><img src="https://mybinder.org/badge_logo.svg"></a>
+            <a style='display: inline-block; margin-left: 15px' href="https://colab.research.google.com/github/radio-astro-tools/tutorials/blob/master/spectral_fitting/fitting_with_spectralcube.ipynb"><img src="https://colab.research.google.com/img/colab_favicon_256px.png"></a>
             <br>
             <br>
             Tutorial on fitting a Gaussian model to all sightlines in a spectral cube using spectral-cube and astropy.modelling.
@@ -90,6 +91,7 @@ <h2 style='font-weight: bold'>A guide to spectral-cube for CASA users</h2>
             <a style='font-weight: bold; display: inline-block; margin-left: 15px' href="casa_to_spectralcube_guide.html">Rendered Notebook</a>
             <a style='font-weight: bold; display: inline-block; margin-left: 15px' href="https://github.com/radio-astro-tools/tutorials/blob/master/casa_to_spectralcube_guide/casa_to_spectralcube_guide.ipynb"><span class="label">Notebook on Github</span></a>
             <a style='display: inline-block; margin-left: 15px' href="https://mybinder.org/v2/gh/radio-astro-tools/tutorials/HEAD?labpath=casa_to_spectralcube_guide%2Fcasa_to_spectralcube_guide.ipynb"><img src="https://mybinder.org/badge_logo.svg"></a>
+            <a style='display: inline-block; margin-left: 15px' href="https://colab.research.google.com/github/radio-astro-tools/tutorials/blob/master/casa_to_spectralcube_guide/casa_to_spectralcube_guide.ipynb"><img src="https://colab.research.google.com/img/colab_favicon_256px.png"></a>
             <br>
             <br>
             A how-to guide translating common spectral cube operations between spectral-cube and CASA.
@@ -103,6 +105,7 @@ <h2 style='font-weight: bold'>Signal-masking and calculating moment maps from sp
             <a style='font-weight: bold; display: inline-block; margin-left: 15px' href="masking_and_moments_guide.html">Rendered Notebook</a>
             <a style='font-weight: bold; display: inline-block; margin-left: 15px' href="https://github.com/radio-astro-tools/tutorials/blob/master/masking_and_moments/masking_and_moments_guide.ipynb"><span class="label">Notebook on Github</span></a>
             <a style='display: inline-block; margin-left: 15px' href="https://mybinder.org/v2/gh/radio-astro-tools/tutorials/HEAD?labpath=masking_and_moments%2Fmasking_and_moments_guide.ipynb"><img src="https://mybinder.org/badge_logo.svg"></a>
+            <a style='display: inline-block; margin-left: 15px' href="https://colab.research.google.com/github/radio-astro-tools/tutorials/blob/master/masking_and_moments/masking_and_moments_guide.ipynb"><img src="https://colab.research.google.com/img/colab_favicon_256px.png"></a>
             <br>
             <br>
             Applying noise estimation techniques to create a signal mask for a spectral data cube. And use that mask to calculate various moment maps.
@@ -117,6 +120,7 @@ <h2 style='font-weight: bold'">Parallel fitting with dask</h2>
             <a style='font-weight: bold; display: inline-block; margin-left: 15px' href="parallel_spectral_fitting.html">Rendered Notebook</a>
             <a style='font-weight: bold; display: inline-block; margin-left: 15px' href="https://github.com/radio-astro-tools/tutorials/blob/master/parallel_spectral_fitting/parallel_spectral_fitting.ipynb"><span class="label">Notebook on Github</span></a>
             <a style='display: inline-block; margin-left: 15px' href="https://mybinder.org/v2/gh/radio-astro-tools/tutorials/HEAD?labpath=parallel_spectral_fitting%2Fparallel_spectral_fitting.ipynb"><img src="https://mybinder.org/badge_logo.svg"></a>
+            <a style='display: inline-block; margin-left: 15px' href="https://colab.research.google.com/github/radio-astro-tools/tutorials/blob/master/parallel_spectral_fitting/parallel_spectral_fitting.ipynb"><img src="https://colab.research.google.com/img/colab_favicon_256px.png"></a>
             <br>
             <br>
             How to use parallel processing to speed up spectral fitting with spectral-cube, astropy, and dask.
@@ -131,6 +135,7 @@ <h2 style='font-weight: bold'">Identification of the far 3 kpc arm in the Dame 2
             <a style='font-weight: bold; display: inline-block; margin-left: 15px' href="DameCube.html">Rendered Notebook</a>
             <a style='font-weight: bold; display: inline-block; margin-left: 15px' href="https://github.com/radio-astro-tools/tutorials/blob/master/DameCube.ipynb"><span class="label">Notebook on Github</span></a>
             <a style='display: inline-block; margin-left: 15px' href="https://mybinder.org/v2/gh/radio-astro-tools/tutorials/HEAD?labpath=DameCube.ipynb"><img src="https://mybinder.org/badge_logo.svg"></a>
+            <a style='display: inline-block; margin-left: 15px' href="https://colab.research.google.com/github/radio-astro-tools/tutorials/blob/master/DameCube.ipynb"><img src="https://colab.research.google.com/img/colab_favicon_256px.png"></a>
             <br>
             <br>
             Reproducing the discovery of the far 3 kpc arm from <a href="https://ui.adsabs.harvard.edu/abs/2008ApJ...683L.143D/abstract">Dame et al. (2008)</a> using spectral-cube and astropy.
@@ -144,6 +149,7 @@ <h2 style='font-weight: bold'">Creating and plotting Position-velocity (PV) diag
             <a style='font-weight: bold; display: inline-block; margin-left: 15px' href="PVDiagramPlotting.html">Rendered Notebook</a>
             <a style='font-weight: bold; display: inline-block; margin-left: 15px' href="https://github.com/radio-astro-tools/tutorials/blob/master/PVDiagramPlotting.ipynb"><span class="label">Notebook on Github</span></a>
             <a style='display: inline-block; margin-left: 15px' href="https://mybinder.org/v2/gh/radio-astro-tools/tutorials/HEAD?labpath=PVDiagramPlotting.ipynb"><img src="https://mybinder.org/badge_logo.svg"></a>
+            <a style='display: inline-block; margin-left: 15px' href="https://colab.research.google.com/github/radio-astro-tools/tutorials/blob/master/PVDiagramPlotting.ipynb"><img src="https://colab.research.google.com/img/colab_favicon_256px.png"></a>
             <br>
             <br>
             Demonstrating how to make position-velocity (PV) diagrams with pvextractor along arbitrary-shaped paths.
@@ -157,6 +163,7 @@ <h2 style='font-weight: bold'">Position-velocity (PV) diagram of a protoplanetar
             <a style='font-weight: bold; display: inline-block; margin-left: 15px' href="DiskPVExample.html">Rendered Notebook</a>
             <a style='font-weight: bold; display: inline-block; margin-left: 15px' href="https://github.com/radio-astro-tools/tutorials/blob/master/DiskPVExample.ipynb"><span class="label">Notebook on Github</span></a>
             <a style='display: inline-block; margin-left: 15px' href="https://mybinder.org/v2/gh/radio-astro-tools/tutorials/HEAD?labpath=DiskPVExample.ipynb"><img src="https://mybinder.org/badge_logo.svg"></a>
+            <a style='display: inline-block; margin-left: 15px' href="https://colab.research.google.com/github/radio-astro-tools/tutorials/blob/master/DiskPVExample.ipynb"><img src="https://colab.research.google.com/img/colab_favicon_256px.png"></a>
             <br>
             <br>
             Examples of two methods to extract the position-velocity diagram of a protoplanetary disk using data from the <a href="https://alma-maps.info/">MAPS</a> ALMA large program.
@@ -170,6 +177,7 @@ <h2 style='font-weight: bold'">Reprojecting two cubes to a common resolution and
             <a style='font-weight: bold; display: inline-block; margin-left: 15px' href="SpectralCubeReprojectExample.html">Rendered Notebook</a>
             <a style='font-weight: bold; display: inline-block; margin-left: 15px' href="https://github.com/radio-astro-tools/tutorials/blob/master/SpectralCubeReprojectExample.ipynb"><span class="label">Notebook on Github</span></a>
             <a style='display: inline-block; margin-left: 15px' href="https://mybinder.org/v2/gh/radio-astro-tools/tutorials/HEAD?labpath=SpectralCubeReprojectExample.ipynb"><img src="https://mybinder.org/badge_logo.svg"></a>
+            <a style='display: inline-block; margin-left: 15px' href="https://colab.research.google.com/github/radio-astro-tools/tutorials/blob/master/SpectralCubeReprojectExample.ipynb"><img src="https://colab.research.google.com/img/colab_favicon_256px.png"></a>
             <br>
             <br>
             Demonstrating how to match two ALMA spectral-line data cubes onto a common, resolution, grid and projection.
@@ -183,6 +191,7 @@ <h2 style='font-weight: bold'">Applying a signal mask from one cube to another</
             <a style='font-weight: bold; display: inline-block; margin-left: 15px' href="SpectralCubeReprojectMaskExample_v4p1.html">Rendered Notebook</a>
             <a style='font-weight: bold; display: inline-block; margin-left: 15px' href="https://github.com/radio-astro-tools/tutorials/blob/master/SpectralCubeReprojectMaskExample_v4p1.ipynb"><span class="label">Notebook on Github</span></a>
             <a style='display: inline-block; margin-left: 15px' href="https://mybinder.org/v2/gh/radio-astro-tools/tutorials/HEAD?labpath=SpectralCubeReprojectMaskExample_v4p1.ipynb"><img src="https://mybinder.org/badge_logo.svg"></a>
+            <a style='display: inline-block; margin-left: 15px' href="https://colab.research.google.com/github/radio-astro-tools/tutorials/blob/master/SpectralCubeReprojectMaskExample_v4p1.ipynb"><img src="https://colab.research.google.com/img/colab_favicon_256px.png"></a>
             <br>
             <br>
             <b>Author: <a href="https://github.com/abulatek">Alyssa Bulatek</a></b>