These are the source files for the map of local Luftdaten.info labs and contacts.
Install Ruby and GEM: https://jekyllrb.com/docs/installation/#guides
Create Gemfile:
bundle init
inside the Gemfile add this line
gem "jekyll"
Then get the dependencies:
gem install bundler
bundler install
You can now build and serve the site:
bundler exec jekyll serve
Go to the folder _labs, create a copy of stuttgart.yml. Rename it (name of city as filename prefered) and make your changes.