Features
- add optional footer, matching functionality of header (#813) (Charles Garwood)
- update dependency @mdi/font to v6 (#766) (renovate[bot])
Code Refactoring
- format main.less file (Charles Garwood)
Chores
- deps: update dependency rollup-plugin-styles to v4 (#812) (renovate[bot])
- deps: lock file maintenance (#800) (renovate[bot])
- release: 2.9.0 (Rafał Chłodnicki)