Add a backwards-compatible getter for the first voice connection, thanks @qeled

src/Client/Client.js

@@ -165,6 +165,14 @@ export default class Client extends EventEmitter {
 		return this.internal.voiceConnections;
 	}
 
+	/**
+	 * The first voice connection the bot has connected to. Available for backwards compatibility.
+	 * @type {VoiceConnection} first voice connection
+	 */
+	get voiceConnection() {
+		return this.internal.voiceConnection;
+	}
+
 	/**
 	 * Unix timestamp of when the Client first emitted the `ready `event. Only available after `ready` event has been emitted.
 	 * @type {Number} timestamp of ready time

src/Client/InternalClient.js

@@ -305,6 +305,12 @@ export default class InternalClient {
 		});
 	}
 
+	// Backwards-compatible utility getter method for the first voice connection
+	// Thanks to #q (@qeled) for suggesting this
+	get voiceConnection() {
+		return this.voiceConnections[0];
+	}
+
 	// def forceFetchUsers
 	forceFetchUsers() {
 		this.sendWS({