If you want to contribute, you should preview your changes locally to see if there are any errors. You need to install ruby and bundler. If you use fedora, you can simply run
sudo dnf install ruby ruby-devel rubygem-bundler rubygem-json rubygem-bigdecimal
You can then clone this repo, install jekyll and run it.
git clone https://github.com/rusty-snake/tricks.git
cd tricks
bundle config set --local path 'vendor/bundle'
bundle install
bundle exec jekyll serveNow you can open http://127.0.0.1:4000/ in your browser and see the results.