feat: localization service and frontend integration

- Add localization-service microservice (locale resolution, translations)
- Add frontend API routes /api/locale and /api/translations/[locale]
- Add LocalizationProvider and localization context
- Integrate localization into layout, EmptyChat, MessageInput components
- Update MICROSERVICES.md architecture docs
- Add localization-service to workspaces

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/localization-service/package.json

@@ -0,0 +1,20 @@
+{
+  "name": "localization-service",
+  "version": "1.0.0",
+  "type": "module",
+  "description": "Сервис локализации на основе геопозиции (зависит от geo-device-service)",
+  "main": "src/index.ts",
+  "scripts": {
+    "dev": "npx tsx watch src/index.ts",
+    "start": "npx tsx src/index.ts"
+  },
+  "dependencies": {
+    "cors": "^2.8.5",
+    "express": "^4.21.0"
+  },
+  "devDependencies": {
+    "@types/express": "^4.17.21",
+    "tsx": "^4.19.0",
+    "typescript": "^5.9.3"
+  }
+}