Resolve "Improve populate.py"

server/app/apis/auth.py

server/app/apis/competitions.py

server/app/apis/misc.py

server/app/apis/slides.py

server/app/apis/teams.py

server/app/core/controller/add.py

server/app/core/controller/edit.py

server/app/core/controller/get.py

server/app/core/models.py

server/app/core/parsers.py

server/app/core/rich_schemas.py

server/app/core/schemas.py

server/configmodule.py

server/populate.py

server/tests/test_app.py

server/tests/test_db.py

server/tests/test_helpers.py