Merge branch 'fix-lr-schedule' into 'main'

config/scheduler/multistep.yaml

edml/config/battery/resnet110_cifar100_cost.yaml

edml/config/topology/equal_batteries_10_devices.yaml

edml/config/topology/resnet110_cifar100_batteries.yaml

edml/controllers/strategy_optimization.py

edml/controllers/test_controller.py

edml/core/client.py

edml/core/device.py

edml/core/server.py

edml/generated/connection_pb2.py

edml/generated/connection_pb2.pyi

edml/proto/connection.proto