Add app scaffold and workflows

app/frontend/package.json

@@ -0,0 +1,31 @@
+{
+  "name": "avaaz-frontend",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "dev": "next dev",
+    "build": "next build --webpack",
+    "start": "next start",
+    "lint": "eslint ."
+  },
+  "type": "module",
+  "dependencies": {
+    "@tailwindcss/postcss": "^4.1.17",
+    "next": "^16.0.5",
+    "react": "^19.2.0",
+    "react-dom": "^19.2.0"
+  },
+  "devDependencies": {
+    "@types/node": "^24.10.1",
+    "@types/react": "^19.2.7",
+    "@types/react-dom": "^19.2.3",
+    "autoprefixer": "^10.4.20",
+    "eslint": "^9.39.1",
+    "eslint-config-next": "^16.0.5",
+    "globals": "^16.5.0",
+    "postcss": "^8.4.49",
+    "tailwindcss": "^4.1.17",
+    "typescript": "^5.9.3",
+    "typescript-eslint": "^8.48.0"
+  }
+}