Added spotify keys to Activity schema

gateway/src/schema/Activity.ts

@@ -41,6 +41,14 @@ export const ActivitySchema = {
 		},
 	],
 	$since: Number, // unix time (in milliseconds) of when the client went idle, or null if the client is not idle
+
+	$id: String,
+	$sync_id: String,
+	$metadata: { // spotify
+		$context_url: String,
+		album_id: String,
+		artist_ids: [String],
+	}
 };
 
 export interface ActivitySchema {

util/src/interfaces/Activity.ts

@@ -33,6 +33,14 @@ export interface Activity {
 	};
 	instance?: boolean;
 	flags: string; // activity flags OR d together, describes what the payload includes
+
+	id?: string;
+	sync_id?: string;
+	metadata?: { // spotify
+		context_url?: string;
+		album_id: string;
+		artist_ids: string[];
+	}
 }
 
 export enum ActivityType {