Content和Color增加Macroable支持

src/Color.php

@@ -3,6 +3,7 @@
 namespace Dcat\Admin;
 
 use Dcat\Admin\Support\Helper;
+use Illuminate\Support\Traits\Macroable;
 
 /**
  * Class Color.
@@ -57,6 +58,8 @@ use Dcat\Admin\Support\Helper;
  */
 class Color
 {
+    use Macroable;
+
     const DEFAULT_COLOR = 'indigo';
 
     /**

src/Layout/Content.php

@@ -6,11 +6,12 @@ use Closure;
 use Dcat\Admin\Admin;
 use Dcat\Admin\Traits\HasBuilderEvents;
 use Illuminate\Contracts\Support\Renderable;
+use Illuminate\Support\Traits\Macroable;
 use Illuminate\Support\ViewErrorBag;
 
 class Content implements Renderable
 {
-    use HasBuilderEvents;
+    use HasBuilderEvents, Macroable;
 
     /**
      * @var string