📦 Added sass file

Author: Joel-James

assets/src/css/admin.css renamed to assets/src/css/admin.scss

@@ -1,5 +1,5 @@
 .jj4t3-url-p {
-    color: #E53531 !important;
+    color: #e53531 !important;
 }
 
 .jj4t3-fixed-height {

webpack.config.js

@@ -28,7 +28,7 @@ const sharedConfig = {
 
 const scssConfig = _.assign( _.cloneDeep( sharedConfig ), {
 	entry: {
-		'admin': './assets/src/css/admin.css'
+		'admin': './assets/src/css/admin.scss'
 	},
 
 	output: {