docs: add github action to push docs (#444)

.github/workflows/ci.yaml

@@ -116,3 +116,25 @@ jobs:
       run: |
         imagine fruit --steps 10 --size 496 --seed 1
         
+
+  publish-docs:
+    if: github.ref == 'refs/heads/master'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Configure Git Credentials
+        run: |
+          git config user.name github-actions[bot]
+          git config user.email 41898282+github-actions[bot]@users.noreply.github.com
+      - uses: actions/setup-python@v4
+        with:
+          python-version: "3.10"
+      - 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: python -m pip install -r requirements-dev.in . --upgrade
+      - run: mkdocs gh-deploy --force