Add pre-commit for sphinx/myst

Signed-off-by: Cristian Le <git@lecris.dev>

.pre-commit-config.yaml

@@ -26,6 +26,18 @@ repos:
         additional_dependencies:
           - mdformat-gfm
           - mdformat-tables
+        exclude: docs\/.*
+  - repo: https://github.com/executablebooks/mdformat
+    # TODO: Temporarily separate docs formatiing
+    # https://github.com/executablebooks/mdformat/issues/234
+    # TODO: Disabled due to lack of colon-fence support
+    rev: 0.7.16
+    hooks:
+      - id: mdformat
+        stages: [ manual ]
+        additional_dependencies:
+          - mdformat-myst
+        files: doc\/(?!README).*\.md$
   - repo: https://github.com/python-jsonschema/check-jsonschema
     rev: 0.23.0
     hooks: