add: docs.yml

.github/workflows/docs.yml

@@ -0,0 +1,31 @@
+name: ci 
+on:
+  push:
+    branches:
+      - current 
+      - 1.20.1
+
+permissions:
+  contents: write
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        with:
+          python-version: 3.x
+
+      - run: echo "cache_id=$(date --utc '+%V')" >> $GITHUB_ENV 
+      - uses: actions/cache@v3
+        with:
+          key: mkdocs-material-${{ env.cache_id }}
+          path: .cache
+          restore-keys: |
+            mkdocs-material-
+
+      - run: pip install mkdocs-material
+
+      - run: mkdocs gh-deploy --force