Add and update links on PyPI

[hugovk]

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[codecov]

Codecov Report

Merging #40 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #40   +/-   ##
=======================================
  Coverage   55.91%   55.91%           
=======================================
  Files           4        4           
  Lines         431      431           
=======================================
  Hits          241      241           
  Misses        190      190           

Flag	Coverage Δ
#GHA_Ubuntu_16	55.22% <ø> (ø)
#GHA_Ubuntu_18	55.22% <ø> (ø)
#GHA_Ubuntu_20	55.22% <ø> (ø)
#GHA_macOS	55.22% <ø> (ø)

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