Document inner classes removal (#411)
Document inner classes removal (#411)

* Document inner classes removal

The classes were extracted in order to decouple the logic from the UI.

* Document parameter type change
artspb/intellij-sdk-docs,JetBrains/intellij-sdk-docs,artspb/intellij-sdk-docs,artspb/intellij-sdk-docs,JetBrains/intellij-sdk-docs,artspb/intellij-sdk-docs,JetBrains/intellij-sdk-docs