v2.37.0

Videos: an embedded video's source URL can now be edited in place.
Plans: Products and Services restored to the Hotel and Grocery plans, where they were missing after an upgrade.
Plans: one-time values in the plan catalogue are now shown as one-time rather than monthly.
Billing: the reverted-to-free notice is now capped at two per downgrade cycle instead of repeating.
Plans: the Concierge SLA now reads 99.9% with a one-hour response, matching the signed contract.