Description:

Generate a one-off or general purpose script, such as a data migration
script, cleanup script, etc.

Example:

`bin/rails generate script my_script`

This will create:
    script/my_script.rb

You can run the script using:
    `bin/rails runner script/my_script.rb`

You can specify a folder:
    `bin/rails generate script cleanup/my_script`

This will create:
    script/cleanup/my_script.rb