You'll need to have the following items installed before continuing.
git clone https://github.com/hitobito/hitobito.github.io.git
cd hitobito_site
bundle install
While you're working on your project, run:
To develop: bundle exec jekyll serve
and to deploy: git push origin master
Make sure, you are working with Ruby Version 2.6.6 or similar. Ruby 3.0.0 may not work!
If you are using rbenv: rbenv shell 2.6.6
check version: rbenv versions
And you're set!
For documentation of Jekyll see https://jekyllrb.com