feat(Guild): add verified getter (#2027)

src/structures/Guild.js

@@ -266,6 +266,15 @@ class Guild {
     return new Date(this.joinedTimestamp);
   }
 
+  /**
+   * If this guild is verified
+   * @type {boolean}
+   * @readonly
+   */
+  get verified() {
+    return this.features.includes('VERIFIED');
+  }
+
   /**
    * The URL to this guild's icon
    * @type {?string}