Update User.js (#1351)

src/structures/User.js

@@ -132,6 +132,15 @@ class User {
     return this.avatarURL || this.defaultAvatarURL;
   }
 
+  /**
+   * The discord "tag" for this user
+   * @type {string}
+   * @readonly
+   */
+  get tag() {
+    return `${this.username}#${this.discriminator}`;
+  }
+
   /**
    * The note that is set for the user
    * <warn>This is only available when using a user account.</warn>