fix: update crypto exports to use proper module paths

- Fix directory import issue by explicitly exporting .js files
- Add bech32 exports
- Bump version to 0.3.3

Author: vveerrgg

package.json

@@ -1,6 +1,6 @@
 {
   "name": "nostr-websocket-utils",
-  "version": "0.3.2",
+  "version": "0.3.3",
   "description": "Robust WebSocket utilities for Nostr applications with automatic reconnection, channel-based messaging, and type-safe handlers. Features heartbeat monitoring, message queueing, and comprehensive error handling.",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",

src/crypto/index.ts

@@ -3,4 +3,5 @@
  * @module crypto
  */
 
-export * from './handlers';
+export * from './handlers.js';
+export * from './bech32.js';