Improve readme

[mtrezza]

• Updated TOC in README

[codecov]

Codecov Report

Merging #3 (36e0da0) into main (7038d4f) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main       #3   +/-   ##
=======================================
  Coverage   27.17%   27.17%           
=======================================
  Files           3        3           
  Lines          92       92           
  Branches       14       14           
=======================================
  Hits           25       25           
  Misses         67       67           

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