Add JSON de/serialization to python #23

Job	Run time
linux (ubuntu-22.04, x86_64)	6m 45s
macos (macos-14, aarch64, 3.11)	2m 8s
macos (macos-14, aarch64, 3.12)	2m 20s
Build wheel on ${{ matrix.platform.name }}	0s
macos (macos-14, aarch64, 3.13)	1m 51s
sdist	50s
	13m 54s

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