fix(#6): define flags as flags

[mautamu]

Description

Attempts to fix #6 by setting flag default action.

Fixes #6

Type of change

• Development change (no change visible to user)
• 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 not work as expected)
• Documentation only update (no change to the factual codebase)
• This change requires a documentation update

Updated user documentation:

Please insert user documentation that should be updated (as in the wiki).

See CONTRIBUTING.md User Documentation section for further details.

Note: Manual page changes must be performed in a commit, not in this PR section.

Checklist:

• Ran cargo test locally with no errors or warnings reported
• Manual page has been updated accordingly
• Wiki pages have been updated accordingly (to perform after merge)