public function search(Request $request, $term = null)
 {
     if (!$term && $request->has('term')) {
         return redirect()->route('forum.search', $request->input('term'));
     }
     $posts = Post::search($term)->paginate(config('laraboard.post.limit', 15));
     return view('laraboard::forum.search', compact('posts', 'term'));
 }