The Student Robotics public style guide.
See .ruby_version
for the precise version, though 3.3 or above will
probably be fine.
Install Bundler (2.3 or above) and Rake.
Depending on how you have installed Ruby these may already be installed.
$ gem install bundler rake
Start the app in development mode
$ rake dev
When you've made a change, either push it to a forked repository, or to a feature branch, and raise a pull request.