chore: add rpc-websocket-esm example

examples/rpc-websockets-esm/README.md

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+# Deepkit RPC WebSockets Example
+
+This example shows how to use the Deepkit RPC over WebSockets.
+
+## How to run
+
+First install dependencies
+
+```
+# postinstall script automatically installs deepkit type compiler
+npm install
+```
+
+Start server:
+
+```
+./node_modules/.bin/ts-node-esm server.ts
+```
+
+Start client:
+
+```
+./node_modules/.bin/ts-node-esm client.ts
+```

examples/rpc-websockets-esm/client.ts

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+import { RpcWebSocketClient } from '@deepkit/rpc';
+import type { Controller } from './server';
+
+async function main() {
+    const client = new RpcWebSocketClient('ws://127.0.0.1:8081');
+    const controller = client.controller<Controller>('/main');
+
+    const result = await controller.hello('World');
+    console.log('result', result);
+
+    client.disconnect();
+}
+
+main().catch(console.error);

examples/rpc-websockets-esm/package.json

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+{
+  "name": "deepkit-example-rpc-websockets",
+  "version": "0.0.1",
+  "type": "module",
+  "scripts": {
+    "postinstall": "deepkit-type-install"
+  },
+  "dependencies": {
+    "ws": "^8.13.0",
+    "@deepkit/type": "^1.0.1-alpha.97",
+    "@deepkit/rpc": "^1.0.1-alpha.97",
+    "@deepkit/rpc-tcp": "^1.0.1-alpha.97"
+  },
+  "devDependencies": {
+    "@deepkit/type-compiler": "^1.0.1-alpha.97",
+    "typescript": "^5.2.2",
+    "ts-node": "^10.9.1"
+  }
+}

examples/rpc-websockets-esm/server.ts

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+import { rpc, RpcKernel } from '@deepkit/rpc';
+import { RpcWebSocketServer } from '@deepkit/rpc-tcp';
+
+@rpc.controller('/main')
+export class Controller {
+    @rpc.action()
+    hello(title: string): string {
+        return 'Hello ' + title;
+    }
+}
+
+const kernel = new RpcKernel();
+kernel.registerController(Controller);
+const server = new RpcWebSocketServer(kernel, 'localhost:8081');
+server.start({
+    host: '127.0.0.1',
+    port: 8081,
+});
+console.log('Server started at ws://127.0.0.1:8081');

examples/rpc-websockets-esm/tsconfig.json

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+{
+  "compilerOptions": {
+    "strict": true,
+    "experimentalDecorators": true,
+    "moduleResolution": "node",
+    "target": "ES2022",
+    "esModuleInterop": true,
+    "module": "esnext"
+  },
+  "reflection": true
+}