Extend Cloudinary configuration form

Remaining tasks

• Add a configuration route in cloudinary_sdk.info.yml
• Set up new submodule cloudinary_media_library_widget
• Add the following settings to the form
  • SAML Authentication (checkbox, under the widget fieldset, optional).
  • Starting folder (select, single, under the widget fieldset, optional). Allowed values are the same as for Cloudinary scheme with root folder (values are not available if the API is not configured yet)
  • Optimizations (fieldset)
  • Default optimizations for image (textarea, under the optimizations fieldset, optional). The stored value should be an array (item per new line)
  • Default optimizations for video (textarea, under the optimizations fieldset, optional). The stored value should be an array (item per new line)
  • Default DPR (number, step 0.1, under the optimizations fieldset, optional)
  • Responsive breakpoints (textarea, under the optimizations fieldset, optional). The stored value should be an array (item per new line)
  • Video playback (fieldset)
  • Default player (radios, under the video fieldset, required). Allowed values are
    

    HTML 5 Player
    Cloudinary Video player
    

  • Default player configuration (textarea, json or yaml editor attached, optional, available when cloudinary player is chosen)
• Provide clear description for each extra setting from the docs
• Init default config cloudinary_media_library_widget.settings.yml in config/install
  • Use default values for the widget settings
  • The default value for the image optimization is
    

    - f_auto
    - q_auto
    

• Init config schema cloudinary_media_library_widget.schema.yml in config/schema
  • Describe the widget settings