feat: add Result type and use && some refactoring

Author: bucurdavid

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@aithranetwork/sdk-aithra-toolkit",
-  "version": "0.0.6",
+  "version": "0.0.7-alpha.1",
   "description": "The Aithra Network Toolkit SDK for the agents",
   "main": "dist/index.js",
   "module": "dist/index.mjs",

src/core/manager.ts

@@ -61,8 +61,7 @@ export class AithraManager {
   private mintManager: MintManager;
   private apiUrl = 'https://api.itheumcloud.com/zsuiteapi';
   private marshalUrl = 'https://api.itheumcloud-stg.com/datamarshalapi/router/v1';
-  // private mintUrl = 'https://api.itheumcloud.com/itheumapi';
-  private mintUrl ="http://localhost:3001/itheumapi";
+  private mintUrl = 'https://api.itheumcloud.com/itheumapi';
 
   constructor({ connection, keypair, priorityFee = 0 }: ConstructorParams) {
     this.wallet = new Wallet(keypair);