feat(api): add ResolveSpec and WebSocket client implementations

- Introduced ResolveSpecClient for REST API interactions.
- Added WebSocketClient for real-time communication.
- Created types and utility functions for both clients.
- Removed deprecated types and example files.
- Configured TypeScript and Vite for building the library.

resolvespec-js/src/resolvespec/index.ts

@@ -0,0 +1 @@
+export { ResolveSpecClient, getResolveSpecClient } from './client';