I've attached an MIT-licensed Polish translation file for your oembed CKEditor plugin as it is the (hopefully) only part of the provider that is not localized in my language.
PLEASE don't forget to change the plugin.js file to add the new locale:
lang: ['de', 'en', 'nl', 'fr', 'ru', 'pl'],
PLEASE don't forget to change the plugin.js file to add the new locale:
lang: ['de', 'en', 'nl', 'fr', 'ru', 'pl'],