close#1000 maybe #1178 too
* Show current user rank in the leaderboard with +-1 user (only on leaderboard
* Extend auto_main script to use random user.
* Support colSpan in the DataTable component (I haven't verified colSpan in header yet, leave that until we need it)
* Refactor OasstError to include the path and request method.
* add tos_acceptance_date column to user
* send 451 UNAVAILABLE_FOR_LEGAL_REASONS status
* add create user REST endpoint
* adapt text-frontend to ToS requirements
* set DEBUG_IGNORE_TOS_ACCEPTANCE default to True (temporary change)
* update down revision to f60958968ff8
notmd