public function commentUpdate(CommentFormRequest $request, $id)
 {
     $articles_comment = $request->input('comment');
     $articles = Article::find($id);
     ArticlesComment::create(['articles_id' => $id, 'articles_title' => $articles->title, 'comment' => $articles_comment, 'username' => auth()->user()->name]);
     return redirect()->route('articles.show', $id);
 }