[ticket/12684] Add console command user:add
* VSEphpbb/ticket/12684: (26 commits)
[ticket/12684] Use a switch statement for readability
[ticket/12684] Refactor a test
[ticket/12684] Use interactive method correctly
[ticket/12684] Extract interactivity to a method
[ticket/12684] Update option help
[ticket/12684] Add extended help for the user:add command
[ticket/12684] Add shorthand alternates to the options
[ticket/12684] Remove whitespace
[ticket/12684] Add an error on user creation failure
[ticket/12684] Remove unnecessary null arguments
[ticket/12684] Additional clean up
[ticket/12684] Allowed to use $this in enclosure
[ticket/12684] Move all lang keys to cli
[ticket/12684] Fix a few mistakes and clean it up
[ticket/12684] Some code clean up
[ticket/12684] Another little fix
[ticket/12684] Fix tests
[ticket/12684] Update to use non-deprecated methods
[ticket/12684] Add send email option
[ticket/12684] Add input validation
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