intiai implementation

.github/workflows/build_preview.yml

@@ -0,0 +1,104 @@
+name: Docusaurus CI, Previews & Cleanup
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    types: [opened, synchronize, reopened, closed]
+
+permissions:
+  contents: write
+  pages: write
+  id-token: write
+  pull-requests: write
+
+
+jobs:
+  build:
+    if: github.event.action != 'closed'
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 18
+
+      - name: Cache npm dependencies
+        uses: actions/cache@v4
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-npm-${{ hashFiles('package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-npm-
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build Docusaurus site
+        run: npm run build
+
+      - name: Upload site build as artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: docusaurus-build
+          path: build
+
+  deploy:
+    if: github.event.action != 'closed'
+    needs: build
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Download build artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: docusaurus-build
+          path: build
+
+      - name: Determine deploy target
+        id: vars
+        run: |
+          if [[ "${{ github.event_name }}" == "pull_request" ]]; then
+            echo "branch=pr-${{ github.event.number }}" >> $GITHUB_OUTPUT
+            echo "url=https://${{ github.repository_owner }}.github.io/${{ github.event.repository.name }}/pr-${{ github.event.number }}/" >> $GITHUB_OUTPUT
+          else
+            echo "branch=gh-pages" >> $GITHUB_OUTPUT
+            echo "url=https://${{ github.repository_owner }}.github.io/${{ github.event.repository.name }}/" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Deploy to GitHub Pages
+        uses: peaceiris/actions-gh-pages@v4
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./build
+          publish_branch: ${{ steps.vars.outputs.branch }}
+
+      - name: Comment preview link on PR
+        if: github.event_name == 'pull_request'
+        uses: marocchino/sticky-pull-request-comment@v2
+        with:
+          header: docusaurus-preview
+          message: |
+            🚀 **Docusaurus preview deployed!**
+            🔗 [View Preview](${{ steps.vars.outputs.url }})
+
+  cleanup:
+    if: github.event_name == 'pull_request' && github.event.action == 'closed'
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Delete preview branch
+        uses: dawidd6/action-delete-branch@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          branches: pr-${{ github.event.pull_request.number }}
+          soft_fail: true
+