add UniformSpacingPanel Demo

src/Shared/HandyControlDemo_Shared/Properties/Langs/Lang.Designer.cs

@@ -2365,6 +2365,17 @@ namespace HandyControlDemo.Properties.Langs
             }
         }
 
+        /// <summary>
+        ///   查找类似 等间距布局 的本地化字符串。
+        /// </summary>
+        public static string UniformSpacingPanel
+        {
+            get
+            {
+                return ResourceManager.GetString("UniformSpacingPanel", resourceCulture);
+            }
+        }
+
         /// <summary>
         ///   查找类似 上传文件 的本地化字符串。
         /// </summary>