If a featured_image is not set on a collection entry (e.g. page), we will default to the image set here for the OpenGraph Image
Optionally add a "watermark" to be used for OpenGraph Images. This watermark will be placed in the bottom right corner of Open Graph images. This currently only applies to pages that have a featured_image set. It is recommended to use a light (white) logo.
Optionally prepend to each page title.
Optionally append to each page title. Generally you'd set this to the organization's name, e.g. - My Company.
Add a description to be used as a fallback for SEO purposes.
logo should be a "dark" version of a logo to be used on light-colored backgrounds.
logo_light should be a "light" version of a logo to be used on dark-colored backgrounds.
header_image is a fallback meant to be used as a background image for the header of secondary pages, but how you use this is up to you within your templates.