feature request: Create new users from User Management admin panel

[SjoerdHekking]

Checklist

• I checked that this feature has not been requested before
• I checked that this feature is not in the "wontfix / not planned" list
• This feature will benefit the majority of users

Problem Description / Use Case

Random people could theoretically make an account on a public website and leech resources. I could turn off the creation of new accounts when the needed accounts are made; however, I would need to turn this back on if a new account needs to be made, which is counterproductive.

Proposed Solution

Allow for the creation of users from the admin panel under User Management.