fix: incorrect casing on import

Author: tomgobich

start/globals.ts

@@ -21,7 +21,7 @@ import AssetTypes from 'App/Enums/AssetTypes'
 import PaywallTypes from 'App/Enums/PaywallTypes'
 import VideoTypes from 'App/Enums/VideoTypes'
 import CouponDurations from 'App/Enums/CouponDurations'
-import Difficulties from 'App/Enums/difficulties'
+import Difficulties from 'App/Enums/Difficulties'
 
 if (Env.get('NODE_ENV') === 'test') {
   View.global('csrfField', () => '')
@@ -149,4 +149,4 @@ View.global('PostTypeEnumDesc', PostTypeDesc)
 View.global('Roles', Roles)
 View.global('Themes', Themes)
 View.global('VideoTypes', VideoTypes)
-View.global('CouponDurations', CouponDurations)
+View.global('CouponDurations', CouponDurations)