/**
  * Store a newly created resource in storage.
  *
  * @param  \Illuminate\Http\Request  $request
  * @return \Illuminate\Http\Response
  */
 public function store(Request $request)
 {
     $request->name = strtolower($request->name);
     $this->validate($request, ['name' => 'required|unique:keywords|max:255', 'category' => 'required']);
     $category = Category::findOrFail($request->category);
     $tag = new Keyword();
     $tag->name = $request->name;
     $tag->category()->associate($category);
     $tag->save();
     return Redirect::route('admin.tags.index');
 }