update: add custom guru-service key

Runtime/Code/Config/GuruSDKInitConfig.cs

@@ -24,6 +24,10 @@ namespace Guru
         /// </summary>
         public bool AutoRecordFinishedLevels = true;
         /// <summary>
+        /// 自定义 Service 云控 Key
+        /// </summary>
+        public string CustomServiceKey = "";
+        /// <summary>
         /// Debug模式（默认关闭）
         /// </summary>
         public bool DebugMode = false;

Runtime/Code/SDK/GuruSDK.cs

@@ -207,6 +207,9 @@ namespace Guru
 
         #region App Remote Update
 
+        /// <summary>
+        /// Apply Cloud guru-service configs for sdk assets
+        /// </summary>
         private void SetupServicesConfig()
         {
             bool useKeywords = false;
@@ -334,9 +337,19 @@ namespace Guru
             }
         }
         
+        /// <summary>
+        /// Get the guru-service cloud config value;
+        /// User can fetch the cloud guru-service config by using Custom Service Key
+        /// </summary>
+        /// <returns></returns>
         private GuruServicesConfig GetRemoteServicesConfig()
         {
-            var json = GetRemoteString(ServicesConfigKey);
+            string key = ServicesConfigKey;
+            if (!string.IsNullOrEmpty(_initConfig.CustomServiceKey))
+            {
+                key = _initConfig.CustomServiceKey;
+            }
+            var json = GetRemoteString(key);
             if (!string.IsNullOrEmpty(json))
             {
                 return JsonParser.ToObject<GuruServicesConfig>(json);