mention conda in installation instructions

[haesleinhuepf]

Hi @JacksonMaxfield ,

this updates the installation instructions as discussed in

• Installation using pip on Windows fails; but conda works #47

Thanks!
Robert

[codecov-commenter]

Codecov Report

Merging #48 (3cbbd5f) into main (95321f5) will decrease coverage by 0.08%.
The diff coverage is n/a.

❗ Current head 3cbbd5f differs from pull request most recent head 5aa7a13. Consider uploading reports for the commit 5aa7a13 to get more accurate results

@@            Coverage Diff             @@
##             main      #48      +/-   ##
==========================================
- Coverage   83.59%   83.51%   -0.09%     
==========================================
  Files           7        5       -2     
  Lines         189      182       -7     
==========================================
- Hits          158      152       -6     
+ Misses         31       30       -1     

Impacted Files	Coverage Δ
napari_aicsimageio/tests/__init__.py
napari_aicsimageio/__init__.py

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[evamaxfield]

Thanks!