Add onSkinPageReadyConfig hook that overrides module after page loaded
The new module is currently empty pending further work in the
feature branch.
Depends-On: I0dc38e74052027f26a70d58b5f520e5830e0d55d
Bug: T257706
Change-Id: Ib6c8f890fb3d6e751f5f01a6576614b9cc9b440c