fix deployment

.github/workflows/deploy.yml

@@ -0,0 +1,42 @@
+name: Deploy
+on:
+  push:
+    branches:
+      - pages
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Prepare Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.x
+          cache: pip
+
+      - name: Install dependencies
+        run: pip install -r requirements.txt
+
+      - name: Build docs
+        run: mkdocs build
+
+      - name: Upload artifacts
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: site
+
+  deploy:
+    needs: build
+    permissions:
+      pages: write
+      id-token: write
+    environment:
+      name: github-pages
+      url: ${{steps.deploy.outputs.page_url}}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Deploy page
+        id: deploy
+        uses: actions/deploy-pages@v4