Add support for Laravel 5.8

[lsfiege]

😄

[amranidev]

Hi @lsfiege
Modernizing this tool, in general, is on the list, I'll be working on this shortly

Thanks

[Muhammadinaam]

Hi, this is a nice package but I think that the developers have stopped working on it. Maybe you can try this package: https://github.com/Muhammadinaam/speed-admin. It supports Laravel 8+.