cicd: added build actions

.github/workflows/build_and_upload_dist.yaml

@@ -0,0 +1,25 @@
+name: Build React website and upload to Azure Storage Blob
+on:
+  push:
+    branches:
+      - staging
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+      - name: Setup Node 18
+        uses: actions/setup-node@v2
+        with:
+          node-version: 18.18.0
+      - name: Install dependencies
+        run: npm install
+      - name: Build website
+        run: npm run build
+      - name: Store build into artifact
+        uses: actions/upload-artifact@v2
+        with:
+          name: build-${{ github.sha }}
+          path: build