Add coauthor file to gitignore
Add coauthor file to gitignore

* Add the file to gitignore because this is only for stream situations
  interresting

Co-authored-by: susch19 <bae0fb0a2bea97e664e26778477eb5557a713d80@ist-einmalig.de>

OctoAwesome/octoawesome,OctoAwesome/octoawesome