Tags helper for gradient evaluation.

Changes for 0.03 - 2024-03-27T17:18:08+01:00

• API Change: Change 'height' and 'width' parameters to CSS unit.
• Remove obsolete module use in test.
• Remove usage of Tags::Output::Raw.
• Rename example files to better names.
• Update Module::Install to 1.21 version.
• Update copyright years.