public function getUpdate(Request $r)
{
$this->validate($r, ['nama' => 'required|unique:app_legalitas_produksi,id,' . $r->id]);
$data = Legalitas::find($r->id);
$data->nama = $r->nama;
$data->save();
return redirect()->back()->with(session()->flash('success', 'Berhasil menambah data'));
}