refactor: move JS and Python clients under clients/

clients/resolvespec-js/src/index.ts

@@ -0,0 +1,11 @@
+// Common types
+export * from './common';
+
+// REST client (ResolveSpec)
+export * from './resolvespec';
+
+// WebSocket client
+export * from './websocketspec';
+
+// HeaderSpec client
+export * from './headerspec';