frontend/views/user: Add basic JSON response support
frontend/views/user: Add basic JSON response support

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