- Updated DAD requirements.
- Updated READMEs of DAD, CAD and AM.
- Removed old comments in DAD and CAD configuration files.

- Added/Updated headers
- Added script to update copyright headers

Adapted L3_AttackMitigator/L3_CentralizedAttackDetector/L3_DistributedAttackDetector to common proto folder
- Moved imports from *.proto folder to common.proto folder
- Removed genproto.sh scripts
- Arranged requirements to accelerate Docker image creation
- Minor code and linting fixes
- Updated Dockerfile
- Arranged GitLab CI/CD pipeline