I assume you’ve seen this, but for fellow newbie IndieWeb wanderers, the Obsidian Hypothes.is plugin works well too. It uses built-in (Nunjuck) templating rather than Templater.
Anyone who knows me knows that I love Hypothes.is for all my online highlighting, annotating, and general note taking. They also know that if one isn’t actively using their notes to some better end, then it’s likely not worth having taken them at all, so I store mine in markdown in Obsidian for ...