feat: add opentui interface for opencode

- Add comprehensive TUI interface with React Ink components
- Implement session management, model selection, and command dialogs
- Add theme system with customizable colors and styling
- Integrate with existing opencode server and SDK
- Add todo management and file browsing capabilities
- Include proper TypeScript support and error handling

packages/sdk/js/example/test.ts

@@ -0,0 +1,11 @@
+import { createOpencodeClient, createOpencodeServer } from "../src/index"
+
+const client = createOpencodeClient({
+  baseUrl: "http://localhost:4096",
+})
+
+await client.event.subscribe().then(async (event) => {
+  for await (const e of event.stream) {
+    console.log(e)
+  }
+})