Not work with GIT LFS

When i deploy mp4 video with git lfs (for a kiosk).

After deploy, i get the following result

```console
$ head -n -1 /nix/store/[hash]-video.mp4
version https://git-lfs.github.com/spec/v1
oid sha256:[hash]
```

```gitattributes
*.mp4 filter=lfs diff=lfs merge=lfs -text
```