Added L3 security status KPIs monitoring

expose_ingress_grpc.sh

log_netstat.txt

my_deploy.sh

ofc22

proto/l3_attackmitigator.proto

proto/l3_centralizedattackdetector.proto

scripts/scenario3/l3/README.md

...scenario3/l3/launch_l3_attack_detection_and_mitigation.sh

.../l3/launch_l3_attack_detection_and_mitigation_complete.sh

src/l3_attackmitigator/Dockerfile

src/l3_attackmitigator/dump.txt

...itigator/service/l3_attackmitigatorServiceServicerImpl.py

src/l3_attackmitigator/service/test_create_service.py

...ervice/l3_centralizedattackdetectorServiceServicerImpl.py

...ce/l3_centralizedattackdetectorServiceServicerImpl_old.py

...tector/service/ml_model/crypto_5g_rf_spider_features.onnx

...ctor/service/ml_model/crypto_5g_rf_teraflow_features.onnx

...lizedattackdetector/service/ml_model/teraflow_rf_OLD.onnx

src/tests/ofc22/descriptors_emulated.json

src/tests/ofc22/tests/LoadDescriptors.py