tests/api: Add "GET /clubs" tests
tests/api: Add "GET /clubs" tests

skylines-project/skylines,RBE-Avionik/skylines,skylines-project/skylines,RBE-Avionik/skylines,Turbo87/skylines,shadowoneau/skylines,Turbo87/skylines,shadowoneau/skylines,RBE-Avionik/skylines,Harry-R/skylines,shadowoneau/skylines,Harry-R/skylines,Turbo87/skylines,Turbo87/skylines,skylines-project/skylines,RBE-Avionik/skylines,shadowoneau/skylines,Harry-R/skylines,skylines-project/skylines,Harry-R/skylines