Add title link to in-page nav

[internetisaiah]

Feature description

Add title link to in-page nav so you can jump directly to top of page from the nav.

Current docs: https://docs.kobiton.com/apps/app-metadata
Goal: https://docs.wagtail.org/en/stable/getting_started/integrating_into_django.html#

Ways to implement (optional)

• N/A

Examples (optional)

• N/A