Add new subject add command

[maxwai]

Add command to create a new subject

[byte-sized-emi]

I think I'd try to implement this and some of the other commands regarding subject's

[byte-sized-emi]

How exactly should the usage be for this? "subject add" is already reserved for a user adding a new subject to themselves, the docs say "add new subject" - is that correct, as in "/add new subject"?

[maxwai]

This command would be subjects add (not the best I know). Without "s" the command is for users, with "s" for admins.

If you have a better naming scheme please feel free.

Also this command will be a prefix only command according to the docu

[byte-sized-emi]

maybe subject create/delete for admins and subject add/remove for users? But that's not really obvious because add and create are very synonymous... subject manage create/delete? That last one would probably make it more intuitive for users and less intuitive for admins, which I think is okay

[maxwai]

I think the manage Variant is a good solution, let's do it like this