Add MessagePack aliases and fix missing MsgPackDecoder export

Co-authored-by: streamich <[email protected]>

Author: Copilot

src/msgpack/index.ts

@@ -32,7 +32,12 @@ export * from './types';
 export {MsgPackEncoderFast} from './MsgPackEncoderFast';
 export {MsgPackEncoder} from './MsgPackEncoder';
 export {MsgPackEncoderStable} from './MsgPackEncoderStable';
+export {MsgPackDecoder} from './MsgPackDecoder';
 export {MsgPackDecoderFast} from './MsgPackDecoderFast';
 export {MsgPackToJsonConverter} from './MsgPackToJsonConverter';
 export {JsonPackValue} from '../JsonPackValue';
 export {JsonPackExtension} from '../JsonPackExtension';
+
+// User-friendly aliases
+export {MsgPackEncoder as MessagePackEncoder} from './MsgPackEncoder';
+export {MsgPackDecoder as MessagePackDecoder} from './MsgPackDecoder';