feat: add smart-app-city sub-project architecture

- Architecture globale (React Native + NestJS + FastAPI)
- Beckn Protocol (OTN-DPI) integration docs
- AI layer: RAG pipeline + AI Agents (LocalAI + Qdrant)
- i18n: FR/EN/ES/DE support
- Docker Compose for backend services
- Project structure with frontend, backend, ai, beckn directories

smart-app-city/frontend/package.json

@@ -0,0 +1,43 @@
+{
+  "name": "smart-app-city",
+  "version": "0.1.0",
+  "main": "src/App.tsx",
+  "scripts": {
+    "start": "expo start",
+    "android": "expo start --android",
+    "ios": "expo start --ios",
+    "web": "expo start --web",
+    "i18n:check": "node scripts/check-translations.js",
+    "test": "jest",
+    "lint": "eslint src/"
+  },
+  "dependencies": {
+    "expo": "~51.0.0",
+    "react": "18.2.0",
+    "react-native": "0.74.0",
+    "@react-navigation/native": "^6.1.0",
+    "@react-navigation/bottom-tabs": "^6.5.0",
+    "react-native-maps": "^1.14.0",
+    "react-native-paper": "^5.12.0",
+    "zustand": "^4.5.0",
+    "@tanstack/react-query": "^5.32.0",
+    "i18next": "^23.11.0",
+    "react-i18next": "^14.1.0",
+    "watermelondb": "^0.27.0",
+    "@nozbe/watermelondb": "^0.27.0",
+    "expo-notifications": "~0.28.0",
+    "expo-location": "~17.0.0",
+    "expo-camera": "~15.0.0",
+    "expo-image-picker": "~15.0.0",
+    "react-native-gesture-handler": "~2.16.0",
+    "react-native-reanimated": "~3.10.0",
+    "expo-secure-store": "~13.0.0",
+    "expo-localization": "~15.0.0"
+  },
+  "devDependencies": {
+    "@types/react": "~18.2.0",
+    "typescript": "~5.3.0",
+    "jest": "~29.7.0",
+    "eslint": "~8.57.0"
+  }
+}