add github action

.github/workflows/docs.yaml

@@ -0,0 +1,35 @@
+name: build docs
+
+on:
+  push:
+    paths:
+      - 'docs/**/*'
+    branches:
+      - docusaurus
+
+jobs:
+  deploy:
+    name: Build Docusaurus to gh-pages
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 20
+          cache: npm
+          cache-dependency-path: docs/package-lock.json
+
+      - name: Install dependencies
+        working-directory: ./docs/
+        run: cdnpm ci
+      - name: Build website
+        working-directory: ./docs/
+        run: npm run build
+
+      - name: Deploy to GitHub Pages
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./docs/build
+          user_name: github-actions[bot]
+          user_email: 41898282+github-actions[bot]@users.noreply.github.com

docs/docusaurus.config.ts

@@ -17,6 +17,7 @@ const config: Config = {
   // If you aren't using GitHub pages, you don't need these.
   organizationName: 'jcubic', // Usually your GitHub org/user name.
   projectName: 'lips', // Usually your repo name.
+  deploymentBranch: 'docusaurus',
 
   onBrokenLinks: 'throw',
   onBrokenMarkdownLinks: 'warn',