* feat: accept metadata and store it in database
* feat: accept metadata and store it in database
* feat: add BookingSeat.metadata column
* feat: handleNewBooking: store booking seat metadata when first time seated booking
* feat: handleSeats, createNewSeat store metadata when 2nd+ seated booking
* feat: return booking metadata in output
* tests: metadata
* test: seated bookings
* swagger
* fix: reassign bookings test
* test: use different metadata in recurring
* fix: test
* test invalid metadata
* refactor: output service
* readd new line
* chore: bump platform libraries
* refactor: metadata doc