* Add Airflow as one click app
- All using bitnami's docker images
- Most environment variables supported
- Alll it needs is the app name and it will work
- All services have passwords, all of them autogenerated on build
- only the webserver is exposed as webapp
* Add airflow logo
* Run prettier on airflow.yml
* remove explicit port definition on capp_appname service
Edmundo Sanchez