First, you need to clone or fork our API boilerplate. If you choose clone, go to your machine and run
$ git clone git@github.com:gakhov/api.boilerplate.git myfolder
$ cd myfolder
Afterwards you need to add your remote to the git repository to be able commit your changes:
$ git remote rename origin boilerplate
$ git remote add origin https://github.com/{user}/{your_repo}.git
$ bin/start_server -h
usage: start_server [-h] [--name NAME] [--port PORT] [--settings SETTINGS]
$ bin/start_server --name server --port 5570