docs: wallet type docstrings #1127

Job	Run time
Build and test macOS arm64 wheels (3.8)	7m 24s
Build and test macOS x86_64 wheels (3.8)	5m 54s
Build and test macOS arm64 wheels (3.9)	6m 29s
Build and test Manylinux 2.28 x86_64 wheels (cp38-cp38)	3m 46s
Build and test macOS x86_64 wheels (3.9)	6m 52s
Build and test Windows wheels (3.8)	5m 23s
Build and test macOS arm64 wheels (3.10)	5m 21s
Build and test Manylinux 2.28 x86_64 wheels (cp39-cp39)	3m 40s
Build and test macOS x86_64 wheels (3.10)	6m 27s
Build and test Windows wheels (3.9)	5m 30s
Build and test macOS arm64 wheels (3.11)	8m 52s
Build and test Manylinux 2.28 x86_64 wheels (cp310-cp310)	3m 38s
Build and test macOS x86_64 wheels (3.11)	6m 47s
Build and test Windows wheels (3.10)	5m 31s
Build and test macOS x86_64 wheels (3.12)	8m 27s
Build and test Manylinux 2.28 x86_64 wheels (cp311-cp311)	3m 40s
Build and test macOS arm64 wheels (3.12)	7m 42s
Build and test Windows wheels (3.11)	5m 34s
Build and test Manylinux 2.28 x86_64 wheels (cp312-cp312)	3m 45s
Build and test Windows wheels (3.12)	6m 16s
	1h 56m 58s

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