public function show($post_id, $revision_id)
 {
     $revision = Revision::findOrfail($revision_id);
     return view('admin::posts.revisions.show', compact('post_id', 'revision'));
 }
 public function show($post_id, $revision_id)
 {
     $revision = Revision::findOrfail($revision_id);
     return response()->json($revision);
 }