[ENH] AutoPlait segmentation algorithm

[TonyBagnall]

replaces #2765 because I cant synch the fork, @danielroberts20 work and will add him as the contributor

AutoPlait segmenter from
.. [1] Matsubara, Yasuko and Sakurai, Yasushi and Faloutsos, Christos.
"AutoPlait: Automatic Mining of Co-evolving Time Sequences.", SIGMOD, 2014.

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I have added the following labels to this PR based on the title: [ enhancement ].
I would have added the following labels to this PR based on the changes made: [ segmentation ], however some package labels are already present.

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