[README] import image from URL or local path
[README] import image from URL or local path

* Add support for importing multiple images from URL or local path as default to allow for a more user-friendly mass update/import of product images in a similar manner to the Magmi project for Magento
Vauxoo/website_multi_image,luistorresm/website_multi_image,vauxoo-dev/website_multi_image,Vauxoo/website_multi_image,OdooCommunityWidgets/website_multi_image,vauxoo-dev/website_multi_image,vauxoo-dev/website_multi_image,luistorresm/website_multi_image,yelizariev/website_multi_image,luistorresm/website_multi_image,Vauxoo/website_multi_image,OdooCommunityWidgets/website_multi_image,yelizariev/website_multi_image,yelizariev/website_multi_image