* List other user's availabilities
* /availabilityId methods for other users
* Add return statements
* Accept userId single value or array
* Add zod schema checks
* Filter for schedules only with an availability
* Adds safeParsing of JSON before safeParsing of zod
* Removed console log
* Adds safe JSON parsing before .safeParse
* Allow API call without necessarily passing userId
Allow `/availabilities` call by a regular user without having to pass their userId to make it work
Co-authored-by: Syed Ali Shahbaz <52925846+alishaz-polymath@users.noreply.github.com>