Moving Hypha documentation in to main repo (#3077)

.github/workflows/deploy-docs.yml

.gitignore

Makefile

docs/administrators/configuration.md

docs/administrators/customising.md

docs/administrators/deployment/docker.md

docs/administrators/deployment/heroku.md

docs/administrators/deployment/index.md

docs/administrators/deployment/stand-alone.md

docs/assets/how-to-login-login-page.png

docs/assets/how-to-login-nav.png

docs/assets/manage_user-add-user.jpg

docs/assets/manage_user-apply-filter.jpg

docs/assets/manage_user-nav.jpg

docs/assets/manage_user-update-group.jpg

docs/assets/partner_dashboard_assign_submission.png

docs/assets/setup_form-1.png

docs/assets/setup_form-2.png

docs/assets/setup_form-3.png

docs/assets/setup_form-4.png