Readme update and tidying

[jacobweinstock]

Description

Why is this needed

Fixes: #

How Has This Been Tested?

How are existing users impacted? What migration steps/scripts do we need?

Checklist:

I have:

• updated the documentation and/or roadmap (if required)
• added unit or e2e tests
• provided instructions on how to upgrade

[codecov]

Codecov Report

Attention: Patch coverage is 25.00000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 50%. Comparing base (dd3236d) to head (ad0a0ba).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/iso/iso.go	25%	3 Missing ⚠️

Additional details and impacted files

@@         Coverage Diff         @@
##           main   #556   +/-   ##
===================================
- Coverage    50%    50%   -1%     
===================================
  Files        27     27           
  Lines      2975   2975           
===================================
- Hits       1499   1490    -9     
- Misses     1423   1430    +7     
- Partials     53     55    +2     

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