Add script to generate release notes

[corneliusweig]

No description provided.

[codecov-io]

Codecov Report

Merging #39 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master     #39   +/-   ##
======================================
  Coverage    73.3%   73.3%           
======================================
  Files          15      15           
  Lines         487     487           
======================================
  Hits          357     357           
  Misses        103     103           
  Partials       27      27

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