Add Aerial platform into CI

- create XML files for the Aerial pipeline
- create docker-compose to automate deployment
- add documentation
- add to main Jenkinsfile

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>
Co-authored-by: Jaroslava Fiedlerova <jaroslava.fiedlerova@openairinterface.org>
Co-authored-by: Rúben Soares da Silva <rsilva@allbesmart.pt>