doc deployment action

.github/workflows/docs.yml

@@ -0,0 +1,43 @@
+name: Publish docs
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+      
+      - name: Install Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18
+   
+      - name: Install packages
+        run: cd .docs && npm ci
+
+      - name: Build
+        run: cd .docs && npm run build
+
+      - name: Upload
+        uses: actions/upload-pages-artifact@v2
+        with:
+          path: ./.docs/.vitepress/dist
+
+  deploy:
+    needs: build
+    permissions:
+      pages: write
+      id-token: write
+    environment:
+      name: docs
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v2