feat(server): add HTTP file-based routing support

- Add file-based HTTP routing with httpDir and httpPrefix config options
- Create defineHttp<TBody>() helper for type-safe route definitions
- Support dynamic routes with [param].ts file naming convention
- Add CORS support for cross-origin requests
- Allow merging file routes with inline http config
- RPC server now supports attaching to existing HTTP server via server option
- Add comprehensive documentation for HTTP routing

packages/framework/network/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@esengine/network",
-    "version": "5.0.1",
+    "version": "5.0.2",
     "description": "Network synchronization for multiplayer games",
     "esengine": {
         "plugin": true,