readme: Markdown style: add some newlines

[nsajko]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.82%. Comparing base (9a03ade) to head (18559f3).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #43   +/-   ##
=======================================
  Coverage   98.82%   98.82%           
=======================================
  Files           1        1           
  Lines          85       85           
=======================================
  Hits           84       84           
  Misses          1        1           

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