重构network库（mvp版本）搭建基础设施和核心接口

定义ITransport/ISerializer/INetworkMessage接口
NetworkIdentity组件
基础事件定义

tsconfig.json

@@ -0,0 +1,19 @@
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "module": "ES2020",
+    "moduleResolution": "node",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+    "experimentalDecorators": true,
+    "emitDecoratorMetadata": true
+  },
+  "references": [
+    { "path": "./packages/core" },
+    { "path": "./packages/math" },
+    { "path": "./packages/ecs-network" }
+  ],
+  "files": []
+}