The rendering of the notes/ template was done in a very roundabout way
through the routing table before. Now it’s constructed directly.
Change-Id: Iaa6157cc3f9a7e5e0ad81ab843efa988995666b2
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3282
Tested-by: BuildkiteCI
Reviewed-by: Profpatsch <mail@profpatsch.de>