v0.11 - Wagtail 5 and darkmode ready

This release changes the minimum Wagtail version to 4.1, and makes various tweaks to be Wagtail 5+ ready. This includes tweaks for dark mode, and upgrading EasyMDE to v2.18

What's Changed

• Fixed a small typo by @ramonakira in #114
• Wagtail 4.2 compatibility by @nickmoreton in #120
• Tooling updates by @zerolab in #123
  • use flit for packaging
  • switch to ruff for linting (replacing isort, flake8)

New Contributors

• @ramonakira made their first contribution in #114

Full Changelog: v0.10.0...v0.11.0