feat: enable all ios colors

Author: Pooya Parsa

lib/f7-config.js

@@ -107,8 +107,7 @@ const config = {
       orange: '#ff9500',
       gray: '#8e8e93',
       white: '#ffffff',
-      black: '#000000'
-      /*
+      black: '#000000',
       purple: '#5856d6',
       deeppurple: '#673ab7',
       indigo: '#3f51b5',
@@ -120,8 +119,7 @@ const config = {
       amber: '#ffc107',
       deeporange: '#ff5722',
       brown: '#795548',
-      bluegray: '#607d8b',
-      */
+      bluegray: '#607d8b'
     }
   },
   md: {