[TX-INFRA-P18] Add images for pica-backupv2 and backup-rotation

backup-rotation/Dockerfile

backup-rotation/README.txt

backup-rotation/backup_data.json

backup-rotation/fake_backups.py

backup-rotation/start_rotation.py

pica-backupv2/Dockerfile

pica-backupv2/backup_env_var.py

pica-backupv2/config/backup_data.json

pica-backupv2/mongo-run.sh

pica-backupv2/mysql-run.sh

pica-backupv2/postgres-run.sh

pica-backupv2/run.sh