refactor: split Model and AtomicModel #6363

Job	Run time
determine-arm64-runner	1s
determine-arm64-runner	1s
Build source distribution	17s
Build source distribution	17s
Build wheels for cp311-manylinux_x86_64	6m 36s
Build wheels for cp311-manylinux_x86_64	6m 36s
Build wheels for cp311-manylinux_x86_64	5m 31s
Build wheels for cp311-manylinux_x86_64	5m 31s
Build wheels for cp311-macosx_x86_64	5m 59s
Build wheels for cp311-macosx_x86_64	5m 59s
Build wheels for cp311-macosx_arm64	3m 20s
Build wheels for cp311-macosx_arm64	3m 20s
Build wheels for cp311-win_amd64	1m 57s
Build wheels for cp311-win_amd64	6m 44s
Build wheels for cp310-manylinux_aarch64	5m 46s
Build wheels for cp310-manylinux_aarch64	5m 46s
build_docker	0s
build_pypi_index	0s
build_pypi_index	8s
upload_pypi	0s
upload_pypi	0s
Pass testing build wheels	3s
Pass testing build wheels	4s
deploy_pypi_index	0s
deploy_pypi_index	0s
build_docker (12)	4m 29s
build_docker (_cu11, 11)	3m 50s
	1h 12m 15s

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