Add custom lint rules

[matejsemancik]

Would be nice to have custom lint rules for mvvm module (eg. wrong event naming) and interactors module (eg. warning that you forgot to use init method, or warning that you are passing Pair as execute argument in future). Any opinions on this?

I already have implemented MVVM event naming rule, and need ideas for more, if that makes sense to you.

[skywall]

Prohibit multiple usage of same lambda in InteractorConfig:

interactor.execute(Unit) {
    onError {}
    onError {}
}

Check order of lambdas in InteractorConfig:

OK
interactor.execute(Unit) {
    onSuccess {}
    onError {}
}

BAD
interactor.execute(Unit) {
    onError {}
    onSuccess {}
}