feat: add network module and service for TCP latency measurement and proxy performance

web/api/package.json

@@ -0,0 +1,25 @@
+{
+  "name": "vpn-proxy-api",
+  "version": "1.0.0",
+  "description": "VPN-Proxy backend API",
+  "private": true,
+  "scripts": {
+    "build": "nest build",
+    "start": "nest start",
+    "start:dev": "nest start --watch",
+    "start:prod": "node dist/main"
+  },
+  "dependencies": {
+    "@nestjs/common": "^10.4.0",
+    "@nestjs/core": "^10.4.0",
+    "@nestjs/platform-express": "^10.4.0",
+    "reflect-metadata": "^0.2.2",
+    "rxjs": "^7.8.1"
+  },
+  "devDependencies": {
+    "@nestjs/cli": "^10.4.0",
+    "@types/express": "^4.17.21",
+    "@types/node": "^22.0.0",
+    "typescript": "^5.7.0"
+  }
+}