Add doc rendering public action

.github/workflows/docs.yml

@@ -24,7 +24,7 @@ jobs:
           python-version: '3.13'
 
       # ADJUST THIS: install all dependencies (including pdoc)
-      - run: pip install -e .
+      - run: if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
       - run: pip install pdoc
       # ADJUST THIS: build your documentation into docs/.
       # We use a custom build script for pdoc itself, ideally you just run `pdoc -o docs/ ...` here.