docs: Add exception for mkdocs 📚

.github/workflows/docs.yml

@@ -14,13 +14,14 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v1
         with:
-          python-version: '3.8'
-          architecture: 'x64'
+          python-version: "3.8"
+          architecture: "x64"
       - name: Install dependencies
         run: |
           python3 -m pip install --upgrade pip     # install pip
           python3 -m pip install mkdocs            # install mkdocs
           python3 -m pip install mkdocs-material   # install material theme
+          python3 -m pip install mkdocs-exclude    # install mkdocs exclude
           python3 -m pip install pygments pymdown-extensions mkdocs-material-extensions termcolor mkdocs-material mkdocs-macros-plugin
       - name: Copy README
         run: |