Bug 19618: Add api endpoint for club holds

Bug 19618: Add api endpoint for club holds

This patch adds an endpoint in thi api in /api/v1/clubs/{club_id}/holds whith the verb POST that maps to Koha::REST::V1::Clubs::Holds#add controller.
Classes for club_holds and club_holds_to_patron_holds new tables where also added.

To test:
1) Reach SUCCESS.3 test point of previous patch with club that has no enrollments
2) Click on "Place Hold"
SUCCESS => an alert should appear that you cannot place hold on a club without patrons
3) Reach SUCCESS.3 test point of previous patch with club that has enrollments
4) Click on "Place Hold"
SUCCESS => holds priority list should appear with holds for every patron in club
5) Repeat steps 3 and 4.
SUCCESS => new holds should appear in different order
6) Sign off

Sponsored-by: Southeast Kansas Library - SEKLS
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>