Add GitHub Actions workflow for building AppFlowy Web

Author: gwillis-inovacon

.github/workflows/build-web.yml

@@ -0,0 +1,40 @@
+name: Build AppFlowy Web GHCR
+
+  on:
+    workflow_dispatch:
+
+  env:
+    REGISTRY: ghcr.io
+
+  jobs:
+    build-appflowy-web:
+      runs-on: ubuntu-latest
+      permissions:
+        contents: read
+        packages: write
+      steps:
+        - name: Checkout AppFlowy-Web
+          uses: actions/checkout@v4
+          with:
+            repository: AppFlowy-IO/AppFlowy-Web
+            ref: main
+
+        - name: Set up Docker Buildx
+          uses: docker/setup-buildx-action@v3
+
+        - name: Login to GHCR
+          uses: docker/login-action@v3
+          with:
+            registry: ${{ env.REGISTRY }}
+            username: ${{ github.actor }}
+            password: ${{ secrets.GITHUB_TOKEN }}
+
+        - name: Build and push appflowy_web
+          uses: docker/build-push-action@v5
+          with:
+            context: .
+            file: ./docker/Dockerfile
+            push: true
+            tags: ghcr.io/yodev-dev/appflowy_web:latest
+            cache-from: type=gha
+            cache-to: type=gha,mode=max