feat(eslint-plugin): add prefer-enum-initializers rule

[bobstrange]

Fixes #2268

[typescript-eslint]

Thanks for the PR, @bobstrange!

typescript-eslint is a 100% community driven project, and we are incredibly grateful that you are contributing to that community.

The core maintainers work on this in their personal time, so please understand that it may not be possible for them to review your work immediately.

Thanks again!

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[codecov]

Codecov Report

Merging #2326 into master will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #2326   +/-   ##
=======================================
  Coverage   93.09%   93.10%           
=======================================
  Files         284      285    +1     
  Lines        9097     9109   +12     
  Branches     2499     2500    +1     
=======================================
+ Hits         8469     8481   +12     
  Misses        302      302           
  Partials      326      326           

Flag	Coverage Δ
#unittest	93.10% <100.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
packages/eslint-plugin/src/configs/all.ts	100.00% <ø> (ø)
...slint-plugin/src/rules/prefer-enum-initializers.ts	100.00% <100.00%> (ø)

[bobstrange]

@bradzacher

#2326 (comment)

I have fixed suggestions based on your feedback.
Thanks 🙇

[bobstrange]

@bradzacher

Thank you for your support.
I was wondering if I should really ignore this rule or not :-)
I've fixed that 🙇

[bradzacher]

This LGTM - thanks for your contribution!