doc: add a bit more info to readme

[satra]

Add a few lines to readme to trigger a release.

[codecov]

Codecov Report

Merging #45 (71d2bc7) into master (27ee019) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #45   +/-   ##
=======================================
  Coverage   95.78%   95.78%           
=======================================
  Files          11       11           
  Lines        1021     1021           
=======================================
  Hits          978      978           
  Misses         43       43           

Flag	Coverage Δ
unittests	95.78% <ø> (ø)

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