fix: change MessageTypes export from type to value in index.ts

src/index.ts

@@ -1,7 +1,7 @@
 export { numberToUint16BE, numberToUint32BE } from "./utilities/number";
 export { unpackIncomingPacket } from "./messages/packet";
 export { packers, unpackers } from "./mapping";
-export type { MessageTypes } from "./common";
+export { MessageTypes } from "./common";
 export type { IncomingPacket, OutgoingPacket } from "./messages/packet";
 export type { SubscribeMessage } from "./messages/subscribe";
 export type { BasicMessage } from "./messages/basic";