improvement: added kickstart description to readme and adjusted example json's to work with it

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
ignore .gitkeep files

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
added a small setup script to quickly bootstrap your nodes

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
bugfix: fixed regular expressions that insert ssh keys and users

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
added chapters on contributing and license to readme

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
bugfix: add a missing parenthesis that was breaking runs

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>