Integrate PA browser tool as football admin

Introduces the football admin utility that was previously in the
pa-browser repository.

Routing for the football admin is namespaced under /admin/football.

Bumps pa client to latest version to supprt the new features.
Integrate the tests for the football admin

This introduces the test data and sets up the TestClient to work in
the Frontend project.
Cache headers for the imported football admin Controllers
Add football admin links to Admin index