[Docs] Recategorize rules in readme

[chiawendt]

Closes #3216 .

~~The categories are taken from https://eslint.org/docs/rules/ .~~

Rendered Readme: https://github.com/yannickcr/eslint-plugin-react/blob/793d5374e09beb34dfcbc4ac3e8494f6ecaf48f1/README.md

[codecov-commenter]

Codecov Report

Merging #3226 (5d8455f) into master (24bf594) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3226   +/-   ##
=======================================
  Coverage   97.66%   97.66%           
=======================================
  Files         121      121           
  Lines        8519     8519           
  Branches     3075     3075           
=======================================
  Hits         8320     8320           
  Misses        199      199           

Impacted Files	Coverage Δ
lib/rules/boolean-prop-naming.js	99.27% <ø> (ø)
lib/rules/destructuring-assignment.js	98.93% <ø> (ø)
lib/rules/function-component-definition.js	98.52% <ø> (ø)
lib/rules/jsx-boolean-value.js	100.00% <ø> (ø)
lib/rules/jsx-filename-extension.js	100.00% <ø> (ø)
lib/rules/jsx-fragments.js	98.93% <ø> (ø)
lib/rules/jsx-pascal-case.js	100.00% <ø> (ø)
lib/rules/no-invalid-html-attribute.js	96.71% <ø> (ø)
lib/rules/no-multi-comp.js	100.00% <ø> (ø)
lib/rules/no-set-state.js	100.00% <ø> (ø)
... and 5 more

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[ljharb]

I'm not sure that's true, given that some of the jsx rules cover non-jsx as well.

As for best practice, of course it's subjective, but its perfectly fine to be opinionated. All of the things I've indicated are prevailing community-wide best practices; if someone disagrees, they are free to disable the rule.

[codecov[bot]]

Codecov Report

Merging #3226 (1134494) into master (01ab399) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3226   +/-   ##
=======================================
  Coverage   97.58%   97.58%           
=======================================
  Files         130      130           
  Lines        9218     9218           
  Branches     3341     3341           
=======================================
  Hits         8995     8995           
  Misses        223      223           

Impacted Files	Coverage Δ
lib/rules/boolean-prop-naming.js	99.39% <ø> (ø)
lib/rules/destructuring-assignment.js	97.39% <ø> (ø)
lib/rules/function-component-definition.js	99.00% <ø> (ø)
lib/rules/jsx-boolean-value.js	100.00% <ø> (ø)
lib/rules/jsx-filename-extension.js	100.00% <ø> (ø)
lib/rules/jsx-fragments.js	98.93% <ø> (ø)
lib/rules/jsx-pascal-case.js	100.00% <ø> (ø)
lib/rules/no-multi-comp.js	100.00% <ø> (ø)
lib/rules/no-set-state.js	100.00% <ø> (ø)
lib/rules/no-typos.js	100.00% <ø> (ø)
... and 4 more

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