Can we improve the names of individual classes to make it more clear which does what?

Can we somehow signify within the name that this pertains to the rulegeneration metaheuristic? (Without calling it `RuleGenerationOperator` or even worse `RuleGenerationGenerationOperator`)

_Originally posted by @heidmic in https://github.com/heidmic/suprb/pull/117#discussion_r950099824_