opds

Please describe your suggestion, and the problem it'd solve.
There is a button for LANraragi to unzip the entire archive one by one. This is useful for archives with lots of access, reducing server load when there are too many files to unzip at the same time.
I always get missing/broken pages every time I read a new library during rush hour.
Additional context
This option can be adde

Automatically create a default superuser while building an Docker image. Keep in mind the we suppose to have secure defaults so create an ability to control such behavior using user input (environment variable or build arguments).