Bump rack from 2.2.3 to 2.2.6.2 in /ruby-client/demo Bumps [rack](https://github.com/rack/rack) from 2.2.3 to 2.2.6.2. - [Release notes](https://github.com/rack/rack/releases) - [Changelog](https://github.com/rack/rack/blob/main/CHANGELOG.md) - [Commits](https://github.com/rack/rack/compare/2.2.3...v2.2.6.2) --- updated-dependencies: - dependency-name: rack dependency-type: indirect ... Signed-off-by: dependabot[bot]

Merge pull request #26 from chrisandreae/update-ruby-demo-gems Ruby demo client: update Gemfile lock

Ruby demo client: update Gemfile lock

Merge fourbyfour support

Merge splitboard support

Add qtclient layout for 4x4 keypad

Improve settings dump/load for ruby client demo apps.

4x4 simple keypad

Rename to splitboard

Keypad thumb PCB rev 2: swaps order of top and bottom rows. Update physical-logical mapping so that the existing logical layout remains correct.