improve getting started docs and some minor nits

[alexgolec]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.56%. Comparing base (b18d8df) to head (a8143cf).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #160   +/-   ##
=======================================
  Coverage   98.56%   98.56%           
=======================================
  Files          18       18           
  Lines        2223     2223           
  Branches      230      230           
=======================================
  Hits         2191     2191           
  Misses         21       21           
  Partials       11       11           

Flag	Coverage Δ
unittests	98.56% <ø> (ø)

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