Add react/prefer-read-only-props rule

https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/prefer-read-only-props.md

index.js

@@ -49,6 +49,7 @@ module.exports = {
 		'react/no-unsafe': 'error',
 		'react/no-unused-prop-types': 'error',
 		'react/no-unused-state': 'error',
+		'react/prefer-read-only-props': 'error',
 		'react/prop-types': 'error',
 		'react/react-in-jsx-scope': 'error',
 		'react/require-default-props': [