deprecate old function and add export to index file

src/index.ts

@@ -1,17 +1,24 @@
 import { CashuMint } from './CashuMint.js';
 import { CashuWallet } from './CashuWallet.js';
 import { setGlobalRequestOptions } from './request.js';
-import { getEncodedToken, getDecodedToken, deriveKeysetId } from './utils.js';
-import { decode as getDecodedLnInvoice } from '@gandlaf21/bolt11-decode';
+import { getEncodedToken, getDecodedToken, deriveKeysetId, decodeInvoice } from './utils.js';
+import { decode} from '@gandlaf21/bolt11-decode';
 
 export * from './model/types/index.js';
 
+/**
+ * @deprecated use decodeInvoice instead
+ */
+const getDecodedLnInvoice = decode
+
+
 export {
 	CashuMint,
 	CashuWallet,
 	getDecodedToken,
 	getEncodedToken,
 	deriveKeysetId,
 	getDecodedLnInvoice,
+	decodeInvoice,
 	setGlobalRequestOptions
 };