Pre commit config and Cellcharter tutorial (#190)

* cellcharter tutorial

* changed tag from clustering to compositional analysis

* icon to 512x512p

* changed default_stages to match those expected by pre-commit

.pre-commit-config.yaml

@@ -2,8 +2,8 @@ fail_fast: false
 default_language_version:
   python: python3
 default_stages:
-  - Nonepre-commitNone
-  - Nonepre-pushNone
+  - pre-commit
+  - pre-push
 minimum_pre_commit_version: 2.16.0
 repos:
   - repo: https://github.com/pre-commit/mirrors-prettier

tutorial-registry/tutorials/cellcharter-spatial-transcriptomics/meta.yaml

@@ -0,0 +1,18 @@
+name: Spatial clustering of spacial transcriptomics data with CellCharter
+description: |
+  This tutorial demonstrate how to use CellCharter to cluster spatial transcriptomics data, obtained with the CosMx technology from Nanostring.
+  This method can also be used for spatial proteomics data.
+link: https://cellcharter.readthedocs.io/en/latest/notebooks/cosmx_human_nsclc.html
+image: icon.png
+primary_category: Spatial
+tags:
+  - compositional analysis
+packages:
+  - CellCharter
+  - squidpy
+  - scvi
+  - scanpy
+  - anndata
+authors:
+  - marcovarrone
+  - grst