Facebook and Instagram embeds configuration section should include the default finders for all other providers. It's unclear for someone who just wants to fix his facebook embeds
Move code from https://www.codista.com/en/blog/wagtail-instagram-new-oembed-api/ into core
Add custom oembed finder for Facebook
Apply suggestions from @originell's code review
Co-authored-by: Luis Nell <luis.nell@codista.com>
FIXUP More places to change the exception name (and a linter fix)
Extend Instagram/Facebook tests to check HTTP request
Add documentation for omitscript parameter
* Allow additional oembed providers to be used (currently all are hardcoded)
* Make per-provider configuration possible
* Choose which finders get used for which provider (eg, force use of oembed for instagram but use embedly for everything else)
* Allow specifying additional parameters for certian providers such as scheme=https to YouTube