新增配置项 SpecialBindUrl ，支持配置特定的URL注册到admin

src/DotXxlJob.Core/Config/XxlJobExecutorOptions.cs

@@ -18,6 +18,12 @@ namespace DotXxlJob.Core.Config
         public string AppName { get; set; } = "xxl-job-executor-dotnet";
 
 
+
+        /// <summary>
+        /// 绑定的特殊的URL，如果该项配置存在，则忽略SpecialBindAddress和Port
+        /// </summary>
+        public string SpecialBindUrl { get; set; }
+
         /// <summary>
         /// 自动注册时提交的地址，为空会自动获取内网地址
         /// </summary>

src/DotXxlJob.Core/ExecutorRegistry.cs

@@ -35,7 +35,8 @@ namespace DotXxlJob.Core
             var registryParam = new RegistryParam {
                 RegistryGroup = "EXECUTOR",
                 RegistryKey = _options.AppName,
-                RegistryValue = $"http://{_options.SpecialBindAddress}:{_options.Port}/"
+                RegistryValue = string.IsNullOrEmpty(_options.SpecialBindUrl)?
+                                $"http://{_options.SpecialBindAddress}:{_options.Port}/" : _options.SpecialBindUrl
             };
 
             _logger.LogInformation(">>>>>>>> start registry to admin <<<<<<<<");