NOJ new back_end

README for backend_developers
README for frontend：請點開 docs 查看除了 developers.MD 以外的所有 MD

Name		Name	Last commit message	Last commit date
Latest commit History 1,005 Commits
.github/workflows		.github/workflows
announcements		announcements
api_tokens		api_tokens
assignments		assignments
auths		auths
back_end		back_end
copycat		copycat
courses		courses
docs		docs
editor		editor
problems		problems
profiles		profiles
search		search
submissions		submissions
tests/rbac_tests		tests/rbac_tests
user		user
.env.example		.env.example
.gitignore		.gitignore
.python-version		.python-version
README.md		README.md
cache_usage.md		cache_usage.md
conftest.py		conftest.py
cookies.txt		cookies.txt
curl		curl
db.sqlite3.bak.1765951622		db.sqlite3.bak.1765951622
docker-compose.redis.yml		docker-compose.redis.yml
manage.py		manage.py
pytest.ini		pytest.ini
requirements.txt		requirements.txt
reset_migrations.sh		reset_migrations.sh

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