feat(api): implement chestny-znak web app with True API integration

- Fastify backend with auth (CryptoPro CAdES-BES), KM check, UPD parsing
- React frontend with auth page, code check, XML upload, results table
- Client-side signing via crypto-pro 2.3.0 (browser plugin)
- Token caching with auto-refresh, retry with exponential backoff
- Input validation schemas, file size limits, global 401 interceptor
- Docker compose with backend + frontend (nginx) services

frontend/package.json

@@ -11,6 +11,7 @@
     "typecheck": "tsc --noEmit"
   },
   "dependencies": {
+    "crypto-pro": "^2.3.0",
     "react": "^19.0.0",
     "react-dom": "^19.0.0"
   },
@@ -18,8 +19,8 @@
     "@types/react": "^19.0.0",
     "@types/react-dom": "^19.0.0",
     "@vitejs/plugin-react": "^4.3.4",
+    "eslint": "^9.19.0",
     "typescript": "^5.7.3",
-    "vite": "^6.1.0",
-    "eslint": "^9.19.0"
+    "vite": "^6.1.0"
   }
 }