Move more tasks to tootctl (#8675)

* Move more tasks to tootctl

- tootctl feeds build
- tootctl feeds clear
- tootctl accounts refresh

Clean up exit codes and help messages

* Move user modifying to tootctl

* Improve user modification through CLI, rename commands

add -> create
mod -> modify
del -> delete

To remove ambiguity

* Fix code style issues

* Fix not being able to unset admin/mod role

.rubocop.yml

@@ -77,6 +77,11 @@ Rails/SkipsModelValidations:
 Rails/HttpStatus:
   Enabled: false
 
+Rails/Exit:
+  Exclude:
+    - 'lib/mastodon/*'
+    - 'lib/cli'
+
 Style/ClassAndModuleChildren:
   Enabled: false