CLI: Add README to app template, lint

Reviewed By: mkonicek

Differential Revision:
D4522116
Ninja: oss only

fbshipit-source-id: d17e0e8badcfe97eaea092e5d5274e02904a534d

local-cli/templates/HelloNavigation/components/KeyboardSpacer.js

@@ -1,3 +1,5 @@
+'use strict';
+
 /* @flow */
 
 import React, { PropTypes, Component } from 'react';
@@ -10,7 +12,7 @@ import {
 } from 'react-native';
 
 type Props = {
-  offset?: number;
+  offset?: number,
 }
 
 type State = {
@@ -41,7 +43,7 @@ type State = {
  */
 const KeyboardSpacer = () => (
   Platform.OS === 'ios' ? <KeyboardSpacerIOS /> : null
-)
+);
 
 class KeyboardSpacerIOS extends Component<Props, Props, State> {
   static propTypes = {

local-cli/templates/HelloNavigation/components/ListItem.js

@@ -1,3 +1,5 @@
+'use strict';
+
 import React, { Component } from 'react';
 import {
   Platform,
@@ -21,7 +23,7 @@ const Touchable = ({onPress, children}) => {
     );
   } else {
     return (
-      <TouchableHighlight onPress={onPress} underlayColor='#ddd'>
+      <TouchableHighlight onPress={onPress} underlayColor="#ddd">
         {child}
       </TouchableHighlight>
     );