Add build workflow and release automation. (#24)

Introduce a new build job in the CI workflow to handle building and
uploading artifacts. Additionally, create a release workflow triggered
on new releases to package and upload release assets for distribution.

Author: shahariaazam

.github/workflows/CI.yml

@@ -49,4 +49,30 @@ jobs:
         run: npm ci
 
       - name: Run linting
-        run: npm run lint
+        run: npm run lint
+
+  build:
+    name: build
+    needs: [test]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20.x'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build frontend
+        run: npm run build
+
+      - name: Upload build artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: dist
+          path: dist/
+          retention-days: 1

.github/workflows/release.yml

@@ -0,0 +1,40 @@
+name: Release
+
+on:
+  release:
+    types: [created]
+
+permissions:
+  contents: write
+
+jobs:
+  build-and-upload:
+    name: Build and Upload Release Assets
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20.x'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build frontend
+        run: npm run build
+
+      - name: Zip dist directory
+        run: zip -r dist.zip dist
+
+      - name: Upload dist as release asset
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ github.event.release.upload_url }}
+          asset_path: ./dist.zip
+          asset_name: dist.zip
+          asset_content_type: application/zip