Resolve "Add presentation authorization"

server/app/apis/__init__.py

server/app/apis/alternatives.py

server/app/apis/answers.py

server/app/apis/auth.py

server/app/apis/codes.py

server/app/apis/competitions.py

server/app/apis/components.py

server/app/apis/media.py

server/app/apis/misc.py

server/app/apis/questions.py

server/app/apis/slides.py

server/app/apis/teams.py

server/app/apis/users.py

server/app/database/controller/add.py

server/app/database/models.py

server/tests/test_app.py

server/tests/test_helpers.py