Updated context with RPCs for Slice management

proto/context.proto

src/compute/proto/context_pb2.py

src/context/proto/context_pb2.py

src/context/proto/context_pb2_grpc.py

src/device/proto/context_pb2.py

src/interdomain/proto/context_pb2.py

src/monitoring/proto/context_pb2.py

src/opticalattackmitigator/proto/context_pb2.py

src/opticalcentralizedattackdetector/proto/context_pb2.py

src/service/proto/context_pb2.py

src/slice/proto/context_pb2.py

src/webui/proto/context_pb2.py