* More i3 key mappings for navigating between and focusing windows, as well as volume and brightness control.
### Changed
* Updated Harpoon mappings.
* Make the monitor ID and mode configurable in `switch-to-laptop-screen` and `switch-to-monitor` scripts.
### Fixed
* Prevent `markdownlint` from showing errors for line lengths and duplicate non-sibling headings, making it easier to work with files, such as CHANGELOG.md, that contains the same headings multiple times.