Enable VSCode debugger integration when attaching VSCode to with AWX docker-compose development environment container
- add debugpy launch target in `.vscode/launch.json` to enable launching awx processes with debugpy
- add vscode tasks in `.vscode/tasks.json` to facilitate shutting down corresponding supervisord managed processes while launching process with debugpy
- modify nginx conf to add django runserver as fallback to uwsgi (enable launching API server via debugpy)
