Added .github action

.github/workflows/docs.yaml

@@ -0,0 +1,54 @@
+name: docs
+
+on:
+  push:
+    branches:
+      - main
+env:
+  SITE_DIR: "www"
+jobs:
+  build_site:
+    name: "Build site with Antora"
+    runs-on: [ubuntu-latest]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Configure Pages
+        uses: actions/configure-pages@v3
+
+      - name: Install Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '18'
+      - name: Install Antora
+        run: npm i antora
+      - name: Generate Site
+        run: npx antora default-site.yml
+
+      - name: "Upload generated site"
+        uses: actions/upload-artifact@v2
+        with:
+          name: site
+          path: "${{ github.workspace }}/${{ env.SITE_DIR }}"
+
+  deploy_site:
+    runs-on: [ubuntu-latest]
+    needs: [build_site]
+    name: "Deploy GitHub Pages"
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Download generated site
+        uses: actions/download-artifact@v1
+        with:
+          name: site
+          path: "${{ github.workspace }}/${{ env.SITE_DIR }}"
+      - name: Deploy to GitHub Pages
+        uses: JamesIves/github-pages-deploy-action@3.2.1
+        with:
+          # ACCESS_TOKEN: # optional
+          GITHUB_TOKEN: "${{ github.token}}"
+          FOLDER: "${{ env.SITE_DIR }}"
+          BRANCH: "gh-pages"
+          COMMIT_MESSAGE: "[CI] Publish Documentation for ${{ github.sha }}"