buildSrc Learnings:

- build.gradle.kts:
  - Must specify jcenter repo to download kotlin-dsl plugin

- buildSrc module:
  - This is not a module to be included in your settings.grade, per instructions here: https://docs.gradle.org/current/userguide/organizing_gradle_projects.html#sec:build_sources

- To use nested Kotlin objects, you must declare a package in the .kts and import it in the .gradle