Add CI labels

[adybbroe]

Extent the README description and add some CI labels

[codecov[bot]]

Codecov Report

Merging #115 (80cc874) into main (f1c3e34) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #115   +/-   ##
=======================================
  Coverage   89.58%   89.58%           
=======================================
  Files          25       25           
  Lines        3611     3611           
=======================================
  Hits         3235     3235           
  Misses        376      376           

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

[gerritholl]

I'm a bit late here, but should we really mention Norrköping when a fair share of pytroll developers are not in Norrköping?

[mraspaud]

Norrköping is the centre of the world! ;) Yeah, sorry for that, should be changed obviously