Enable sbt-idea-plugin in intellij project
Enable sbt-idea-plugin in intellij project

This makes the `downloadIdea` command work again.

scalameta/scalafmt,scalameta/scalafmt,olafurpg/scalafmt,scalameta/scalafmt,scalameta/scalafmt,olafurpg/scalafmt,olafurpg/scalafmt,olafurpg/scalafmt