add firebase hosting deploy script

.github/workflows/firebase-hosting-deploy.yml

@@ -0,0 +1,31 @@
+name: Firebase Hosting
+on:
+  workflow_call:
+    secrets:
+      FIREBASE_SA:
+        required: true
+
+jobs:
+  deploy-firebase:
+    name: Deploy to Firebase Hosting
+    runs-on: ubuntu-latest
+    container: alpine:3.19
+    steps:
+      - run: apk add git nodejs npm
+        name: Install dependencies
+      - run: npm install -g firebase-tools
+        name: Install Firebase CLI from NPM
+      - uses: actions/checkout@v3
+      - name: Download built app
+        uses: actions/download-artifact@v3
+        with:
+          name: built-app
+          path: dist
+      - run: echo $FIREBASE_SA > gcloud-service-key.json
+        name: Generate Service Account file
+        env:
+          FIREBASE_SA: ${{ secrets.FIREBASE_SA }}
+      - run: firebase deploy only --hosting
+        name: Run deploy command
+        env:
+          GOOGLE_APPLICATION_CREDENTIALS: gcloud-service-key.json