Add write permission to config yaml

Author: mathisarends

.github/workflows/mkdocs.yml

@@ -1,35 +1,37 @@
-# Deploy MkDocs Documentation  
 name: Deploy Docs
 
 on:
   push:
-    branches: [ main ]
+    branches: [main]
   workflow_dispatch:
 
+permissions:
+  contents: write
+
 jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-        
+
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
-          
+          python-version: "3.11"
+
       - name: Install Poetry
         uses: snok/install-poetry@v1
         with:
           version: latest
           virtualenvs-create: true
           virtualenvs-in-project: true
-          
+
       - name: Install dependencies
         run: poetry install --with dev
-        
+
       - name: Build docs
         run: poetry run mkdocs build
-        
+
       - name: Deploy to GitHub Pages
         uses: peaceiris/actions-gh-pages@v4
         with: