Add generate-images-by-category gha (#292)

* Add generate-images-by-category gha

Author: quietsy

.github/workflows/deploy.yml

@@ -17,6 +17,7 @@ jobs:
           fetch-depth: 0
           sparse-checkout: |
             docs
+            scripts
       - name: Setup python
         uses: actions/setup-python@v5.3.0
         with:
@@ -48,6 +49,8 @@ jobs:
           cp /tmp/d2/bin/d2 /usr/local/bin
       - name: Install dependencies
         run: pip install -r docs/requirements.txt
+      - name: Generate images-by-category.md
+        run: python scripts/generate-images-by-category.py
       - name: Build documentation
         run: mkdocs build
 
@@ -63,6 +66,7 @@ jobs:
           fetch-depth: 0
           sparse-checkout: |
             docs
+            scripts
       - name: Setup python
         uses: actions/setup-python@v5.3.0
         with:
@@ -94,5 +98,7 @@ jobs:
           cp /tmp/d2/bin/d2 /usr/local/bin
       - name: Install dependencies
         run: pip install -r docs/requirements.txt
+      - name: Generate images-by-category.md
+        run: python scripts/generate-images-by-category.py
       - name: Deploy to GitHub Pages
         run: mkdocs gh-deploy --force