* DOC-5078 added basic vector set examples
* DOC-5078 formatting and extra comments
* DOC-5078 fixed nondeterministic test
* wip(tests): run doctests for vector sets on redis 8 only
* DOC-5229 added probabilistic data type examples
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Co-authored-by: Nedyalko Dyakov <nedyalko.dyakov@gmail.com>
