style(lint): eliminate false positives in ts projects

Hopefully integrates via PR upstream in `@react-native-community`,
this appears to be the standard configuration for no-shadow in
typescript projects, see:

react-native-community/react-native-template-typescript#238

Author: mikehardy

template/.eslintrc.js

@@ -38,5 +38,7 @@ module.exports = {
     'react/no-unescaped-entities': 'off',
     'react/jsx-uses-react': 'off',
     'react/react-in-jsx-scope': 'off',
+    'no-shadow': 'off',
+    '@typescript-eslint/no-shadow': ['error'],
   },
 };