typescript eslint plugin

Summary: This is required to properly run eslint in Atom/VSCode on TypeScript files

Reviewed By: jknoxville

Differential Revision: D16201418

fbshipit-source-id: 31da04c2d313e9147e0f868c1af15bf3115e6d6a

.eslintrc.js

@@ -13,7 +13,7 @@ const pattern = /^\*\n \* Copyright 20\d{2}-present Facebook\.\n \* This source
 module.exports = {
   parser: 'babel-eslint',
   extends: 'fbjs',
-  plugins: [...fbjs.plugins, 'header', 'prettier'],
+  plugins: [...fbjs.plugins, 'header', 'prettier', '@typescript-eslint'],
   rules: {
     // disable rules from eslint-config-fbjs
     'react/react-in-jsx-scope': 0, // not needed with our metro implementation