react-route browserHistory apache配置

添加apache的.htaccess文件，文件内容为：

 
 RewriteEngine On
 RewriteBase /
 RewriteRule ^index.html$ - [L]
 RewriteCond %{REQUEST_FILENAME} !-f
 RewriteCond %{REQUEST_FILENAME} !-d
 RewriteRule . /index.html [L]