add notion to the features list

packages/api/src/services/features.ts

@@ -13,6 +13,7 @@ export enum FeatureName {
   AISummaries = 'ai-summaries',
   YouTubeTranscripts = 'youtube-transcripts',
   UltraRealisticVoice = 'ultra-realistic-voice',
+  Notion = 'notion',
 }
 
 export const getFeatureName = (name: string): FeatureName | undefined => {
@@ -36,8 +37,11 @@ export const optInFeature = async (
         uid,
         MAX_YOUTUBE_TRANSCRIPT_USERS
       )
+    case FeatureName.Notion:
+      return optInLimitedFeature(FeatureName.Notion, uid, 1)
+    default:
+      return undefined
   }
-  return undefined
 }
 
 const optInLimitedFeature = async (