Merge pull request #36476 from ceph/42072-landing-page

mgr/dashboard: Landing Page improvements

Reviewed-by: Ernesto Puerta <epuertat@redhat.com>
Reviewed-by: Nizamudeen A <nia@redhat.com>
Reviewed-by: Tiago Melo <tmelo@suse.com>

diff --cc src/pybind/mgr/dashboard/frontend/src/styles/bootstrap-extends.scss
Simple merge