[#821] include badges to readme (#822)
[#821] include badges to readme (#822)

* badges test

* badges fix

niklasteichmann/gradoop,galpha/gradoop,rostam/gradoop,niklasteichmann/gradoop,dbs-leipzig/gradoop,dbs-leipzig/gradoop,smee/gradoop,galpha/gradoop,rostam/gradoop,smee/gradoop