Fix error

Author: mkh-user

.github/workflows/mkdocs.yml

@@ -23,6 +23,8 @@ jobs:
           fetch-depth: 0
       - name: Install mkdocstrings with Python support
         run: pip install mkdocstrings[python]
+      - name: Install markdown-include
+        run: pip install markdown-include
       - uses: actions/setup-python@v5
         with:
           python-version: 3.9