:white_check_mark: better control over import linting

[ianardee]

Description

Allow us humans to better control the look of imports. By adding a trailing comma we can now force to use the multiline layout even if not strictly needed. This makes it easier to generate code, there was much rejoicing throughout the land.

Types of changes

• [x] Docs change / refactoring / dependency upgrade
• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)
• [ ] Requires a change to the official Guide documentation.