api: include connections in emote sets

api/read.tsp

@@ -139,6 +139,23 @@ model EmoteSet {
 
 	/** Time at which the emote set was created. */
 	createdAt: utcDateTime;
+
+	/** Active connections using the set, if any. */
+	connections?: ConnectedSet[];
+}
+
+/**
+ * Active connection between an emote set and an external platform.
+ */
+model ConnectedSet {
+	/** Platform where the set is connected. */
+	platform: platform;
+
+	/** ID of the user on the connected platform. */
+	connectedID: string;
+
+	/** Name of the user on the connected platform. */
+	name: string;
 }
 
 /** Requested emote. */