Minor fix (#25385)
Minor fix (#25385)

Summary:
Updated the `code of conduct` within TOC in order to point to the respective section.

## Changelog

[General] [Fixed] - Minor markdown fix
Pull Request resolved: https://github.com/facebook/react-native/pull/25385

Test Plan: N/A

Differential Revision: D15983819

Pulled By: cpojer

fbshipit-source-id: 3530dce8a6be0b6d3bc411f03b37a0cd05da5f53

hoangpham95/react-native,javache/react-native,facebook/react-native,hammerandchisel/react-native,pandiaraj44/react-native,facebook/react-native,pandiaraj44/react-native,hammerandchisel/react-native,facebook/react-native,hammerandchisel/react-native,exponentjs/react-native,exponentjs/react-native,hammerandchisel/react-native,arthuralee/react-native,pandiaraj44/react-native,pandiaraj44/react-native,exponentjs/react-native,janicduplessis/react-native,facebook/react-native,exponent/react-native,hammerandchisel/react-native,facebook/react-native,hoangpham95/react-native,exponent/react-native,exponent/react-native,exponent/react-native,exponentjs/react-native,exponentjs/react-native,facebook/react-native,hammerandchisel/react-native,arthuralee/react-native,exponentjs/react-native,facebook/react-native,exponent/react-native,hoangpham95/react-native,exponent/react-native,facebook/react-native,myntra/react-native,pandiaraj44/react-native,exponent/react-native,javache/react-native,javache/react-native,arthuralee/react-native,pandiaraj44/react-native,janicduplessis/react-native,hoangpham95/react-native,javache/react-native,janicduplessis/react-native,janicduplessis/react-native,hoangpham95/react-native,myntra/react-native,myntra/react-native,arthuralee/react-native,exponentjs/react-native,exponent/react-native,hoangpham95/react-native,hoangpham95/react-native,janicduplessis/react-native,hammerandchisel/react-native,javache/react-native,javache/react-native,janicduplessis/react-native,hammerandchisel/react-native,javache/react-native,hoangpham95/react-native,myntra/react-native,myntra/react-native,javache/react-native,pandiaraj44/react-native,pandiaraj44/react-native,myntra/react-native,janicduplessis/react-native,janicduplessis/react-native,javache/react-native,myntra/react-native,arthuralee/react-native,myntra/react-native,facebook/react-native,myntra/react-native,exponentjs/react-native