new discretisation transformer: chimerge

[solegalli]

some existing implementations:

https://github.com/lisette-espin/pychimerge
https://github.com/night18/ChiMerge
https://github.com/raiyan1102006/ChiMerge
https://gist.github.com/alanzchen/17d0c4a45d59b79052b1cd07f531689e?short_path=f2e54c6

Reference to original article can be found in first link

[Morgan-Sell]

hola @solegalli,

I know we still need to finish #454. I'm keen to work on this transformer though! What if I create a PR and layout the initial architecture?

Abrazo!

[Morgan-Sell]

fyi #459.