Some sites, like YouTube, use cookie walls. To …

Some sites, like YouTube, use cookie walls. To generate IndieBlocks’ silly “link previews,” like on https://jan.boddez.net/notes/1b434601fc, we need to circumvent these. That’s what the indieblocks_fetch_args filter is for. https://gist.github.com/janboddez/4a1e6c8d52689258c5d601b76c13ca36