public function cari(Request $request)
 {
     $keyword = $request['keyword'];
     $librw = Librw::where('nomor_rw', '=', $keyword)->paginate(5);
     return view('dashboard.pengaturan.wilayah.librw.index', compact('librw'));
 }
 /**
  * Remove the specified resource from storage.
  *
  * @param  int  $id
  * @return \Illuminate\Http\Response
  */
 public function destroy($id)
 {
     $librw = Librw::find($id);
     $librw->delete();
     alert()->overlay('Selamat', 'Hapus RW Berhasil!', 'success');
     return redirect('pengaturan/umum/librw');
 }