fix more javadoc errors

Author: mossplix

lombok.config

@@ -1 +1,2 @@
-lombok.addGeneratedAnnotation = false
+lombok.getter.noIsPrefix = true
+lombok.addLombokGeneratedAnnotation = true

src/main/java/ug/sparkpl/momoapi/network/ResponseException.java

@@ -17,7 +17,7 @@ public ResponseException(final Response response) {
   /**
    * response.
    *
-   * @return
+   * @return Response
    */
   public Response response() {
     return response;