Add main file for switch theming

css/main.scss

@@ -30,7 +30,7 @@
 /* Fonts END */
 
 /* Theme  BEGIN */
-@import "themes/light";
+@import "themes/main";
 /* Theme END */
 
 /* Modules BEGIN */

css/themes/_main.scss

@@ -0,0 +1,5 @@
+/**
+* Switch themes here
+*/
+
+@import "light";