[Docs][PyOV] Documentation for Custom Python Operation #17552

Job	Run time
Smart_CI	19s
Docker	59s
Build / Build	11m 24s
Samples	0s
OpenVINO tokenizers extension	0s
C++ unit tests / C++ unit tests	51s
Debian Packages / Debian Packages	1m 43s
JAX Layer Tests / JAX Layer Tests	1m 32s
Python API tests / Python API tests	1m 54s
Python unit tests / Python unit tests	2m 37s
Pytorch Layer Tests / PyTorch Layer Tests	2m 35s
TensorFlow Layer Tests	0s
ci/gha_overall_status_ubuntu_24	1s
	23m 55s

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