Typed configuration

[nulls]

          Good by for now, anyway need to go step-by-step here. I think we will need a fixed schema with keys that would be rule names, for example:

[LONG_LINE]
    enabled=true

or

"LONG_LINE": {
     "enabled": "true"
}

Originally posted by @akuleshov7 in https://github.com/saveourtool/diktat/pull/1686#discussion_r1226937255

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• [ ] #1829
• [ ] #1041
• [ ] Support hierarchy in configurations
• [ ] Warn messages should be configurable (substitution)

[nulls]

We have two two plugins and one external spotless where we can configure rules. We can use code-generation: we specify configuration in a single place and it generates configuration for gradle and maven plugins + classes for rules in diktat-rules. Such approach also will allow to support different sources: old yml, editorconfig and in-code settings.