Some easy tasks for CTF AD trainings

Development workflow:

1. Create branch named $SERVICE.
2. Write your code in services/$SERVICE, checkers/$SERVICE, sploits/$SERVICE and internal/$SERVICE (if needed).
3. Validate your service with SERVICE=$SERVICE ./check.py validate.
4. Up your service with SERVICE=$SERVICE ./check.py up.
5. Check your service with SERVICE=$SERVICE RUNS=200 ./check.py check.
6. Down your service with SERVICE=$SERVICE ./check.py down.
7. Add your service to .github/workflows/check-services.yml, line 38.
8. Push your code and create pull request to master branch.

Don't forget to:

1. Add your checker requirements to checkers/requirements.txt.
2. Use dedcleaner container to delete old files if needed. Example can be found in services/example/docker-compose.yml.
3. Add info about your checker to Checker class. Example can be found in checkers/example/checker.py, line 11.