I want to know where backend middleware like a can:media.medias.create is a located.i want to some changes in that middleware.

i recently create one module for my system.i just want to redirect to user to that module view with all checkpoints.so i need to create one controller which extends BasePublicController??

I create new frontend theme and update from seting.after some time when i rehost laravel server it's give me error like a View [default] not found.What is a solution of that i try installed=true from .env file.But still my problem not solved.

i am a new in asgardcms so i want to know How can i change default frontend theme Flatly.Please give me any suggestions related to my query.