[FEATURE] Allow static routes to assets

Provide a new type of static routes `assets` to expose assets shipped
by extensions.

Resolves: #101472
Releases: main
Change-Id: I46d5b8af795b1037c6a3e2554454df6a6e7174ea
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/85268


Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Garvin Hicking <gh@faktor-e.de>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Garvin Hicking <gh@faktor-e.de>