hub.register decorator with a full model deployment spec (compile, run)

[spillai]

Register models as part of the nos hub registry, with full build-time and runtime spec.

@hub.register(
    name="<org_name>/detection2d-detr-resnet-50", 
    build_spec=DevelopmentConfig(
        conda="autonomi-ai/nos-base-dev",
	resources=ResourceConfig(cpu=8, memory="8Gi", gpu=0.25, gpu_memory="4Gi"), # runtime resource
    ),
    runtime_spec=RuntimeConfig(
        conda="autonomi-ai/nos-base-runtime", # runtime conda env
	resources=ResourceConfig(cpu=2, memory="4Gi", gpu=0.25, gpu_memory="4Gi"), # runtime resources
    ),
)