Markdown Include 1.0.4

Ensure plugin is included in sdist build

Markdown Include 1.0.3

Maintainance release (no user visible changes)

• Add Python 3.12 to CI test matrix
• Switch build system from Hatchling to PDM

Markdown Include 1.0.2

Fix project name

Avatar 1.0.1

Maintenance release:

• Migrate to the new tooling standards
• Improve code quality

Markdown Include 1.0.0

Initial release as namespace plugin