Update README

[kucera-lukas]

closes #48

[codecov]

Codecov Report

Merging #52 (ad446d8) into main (d294dee) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #52   +/-   ##
=======================================
  Coverage   38.09%   38.09%           
=======================================
  Files          10       10           
  Lines         357      357           
=======================================
  Hits          136      136           
  Misses        221      221           

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