Properly configure detekt

It seems, that it is not working properly, ex, how it could be configured: [okio-extras#detekt](https://github.com/saveourtool/okio-extras/blob/4f07d23eef1bdd2bfc77bed7987bd84068470bb1/buildSrc/src/main/kotlin/com/saveourtool/buildutils/DetektConfiguration.kt)