Revert "Deletion of index.html to make root the homepage"

This reverts commit 7f7c6504921f577d49d53e3ed3fca449f72f3d35.

resetting Veric's commit
Revert "user and wallpost models/views - skeleton"

This reverts commit bdbb12d189a92ae697eb148f5473d8833cd861d9.

resets Hannah's commit