docs/readme updates

[tcarrio]

I noticed a small typo and then ran this through a spellchecker (opinionated American English one apparently seeing s/organise/organize) and added additional shared link references for reuse.

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[codecov]

Codecov Report

Merging #183 (de834cb) into main (3a515fa) will not change coverage.
The diff coverage is n/a.

❗ Current head de834cb differs from pull request most recent head 044ee7b. Consider uploading reports for the commit 044ee7b to get more accurate results

Additional details and impacted files

@@            Coverage Diff            @@
##               main     #183   +/-   ##
=========================================
  Coverage     34.76%   34.76%           
  Complexity      791      791           
=========================================
  Files            70       70           
  Lines          3017     3017           
=========================================
  Hits           1049     1049           
  Misses         1968     1968           

Flag	Coverage Δ
7.4	46.08% <ø> (ø)
8.0	34.83% <ø> (ø)
8.1	34.87% <ø> (ø)
8.2	34.71% <ø> (ø)

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[brettmc]

Thanks, @tcarrio and welcome aboard :)