feat: add omni only illicit category

Author: iBotPeaches

src/Enums/Moderations/Category.php

@@ -10,6 +10,8 @@ enum Category: string
     case HateThreatening = 'hate/threatening';
     case Harassment = 'harassment';
     case HarassmentThreatening = 'harassment/threatening';
+    case Illicit = 'illicit';
+    case IllicitViolent = 'illicit/violent';
     case SelfHarm = 'self-harm';
     case SelfHarmIntent = 'self-harm/intent';
     case SelfHarmInstructions = 'self-harm/instructions';