[BB-5611] Setup support for static files and static pages

Description

This MR forms the initial commit for the new tutor-contrib-grove plugin to be used for Grove deployment.

This plugin was necessary, as we want to execute a management command to set site configurations post deployment of instances using Grove.

Supporting information

OpenCraft internal ticket : BB-5611

Testing instructions

Testing instructions provided in grove!71 (merged)

Dependencies

Accompanying MRs:

1. grove!71 (merged)
2. grove-template!21 (merged)

Checklist

If any of the items below is not applicable, do not remove them, but put a check in it.

• All providers include the new feature/change
• All affected providers can provision new clusters
• Documentation is added/updated