Added EditorConfig

[BorzdeG]

1. Added EditorConfig
2. Fixed the text formatting in the README
3. Added revive linter
4. Visual setting for IntelligJ IDE, no consequences on code validation
5. Create issue Rename EnvVarIsNotSetError to VarIsNotSetError #328

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (84c7739) to head (84a2f9b).

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #327   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            3         3           
  Lines          512       517    +5     
=========================================
+ Hits           512       517    +5     

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[ccoVeille]

You are facing the line length nightmare

I did too with one of my project.

https://github.com/ccoVeille/golangci-lint-config-examples/blob/main/.editorconfig

Good luck, have fun 😅

[ccoVeille]

Please address the previously discussed points that I'm adding back again

[ccoVeille]

Thanks for baring with me, my feedbacks, and my iterative comments

LGTM 👍