Merge pull request #23 from mny459/main

[Fix] Fix change baseUrl not working after first request

Author: anasfik

lib/src/core/builder/base_api_url.dart

@@ -5,14 +5,12 @@ import '../constants/config.dart';
 @immutable
 @internal
 abstract class BaseApiUrlBuilder {
-  static final String _baseUrl = OpenAIConfig.baseUrl;
-  static final String _version = OpenAIConfig.version;
 
   /// This is used to build the API url for all the requests, it will return a [String].
   /// if an [id] is provided, it will be added to the url as well.
   @internal
   static String build(String endpoint, [String? id, String? query]) {
-    String apiLink = "$_baseUrl/$_version$endpoint";
+    String apiLink = "${OpenAIConfig.baseUrl}/${OpenAIConfig.version}$endpoint";
     if (id != null) {
       apiLink += "/$id";
     }