get permission migration file
get model>permission.php
get middleware> checkauth.php and 
checkrole.php (replace with the new one)

go to kernel.php
copy checkrole and make it checkauth.

authentication controller (replace with the new one)
rolecontroller (replace with the new one)
permission controller (replace with the new one)

controller.php (replace with the new one)

request>backend>permission folder (replace with the new one)

view>backend> get persmission and role folder and apply according to theme

web.php
adjust it