Merge branch 'feat/151-rename-flex-scale-sbi-driver-to-optical-tfs-driver' into 'develop'

proto/context.proto

src/common/type_checkers/Assertions.py

src/context/service/database/models/enums/DeviceDriver.py

src/device/service/drivers/__init__.py

src/device/service/drivers/ietf_l2vpn/TfsApiClient.py

src/device/service/drivers/optical_tfs/OpticalTfsDriver.py

src/device/service/drivers/optical_tfs/Tools.py

src/device/service/drivers/optical_tfs/__init__.py

src/policy/src/main/java/org/etsi/tfs/policy/Serializer.java

...a/org/etsi/tfs/policy/context/model/DeviceDriverEnum.java

...icy/src/test/java/org/etsi/tfs/policy/SerializerTest.java

src/policy/target/generated-sources/grpc/acl/Acl.java

...get/generated-sources/grpc/context/ContextOuterClass.java

...et/generated-sources/grpc/context/ContextServiceGrpc.java

...sources/grpc/context_policy/ContextPolicyServiceGrpc.java

src/policy/target/generated-sources/grpc/device/Device.java

...rget/generated-sources/grpc/device/DeviceServiceGrpc.java

.../target/generated-sources/grpc/monitoring/Monitoring.java

...erated-sources/grpc/monitoring/MonitoringServiceGrpc.java

src/policy/target/generated-sources/grpc/policy/Policy.java