feat(topology/vector_bundle/hom): define the vector bundle of continuous linear maps (#14541)
* The changes in `topology/fiber_bundle` are not necessary for this PR, but perhaps nice additions
* Co-authored by: Heather Macbeth <25316162+hrmacbeth@users.noreply.github.com>
* Co-authored by: Patrick Massot <patrick.massot@u-psud.fr>
Co-authored-by: Patrick Massot <patrickmassot@free.fr>