notifications: editor banner (#394 by https://github.com/takanuva15)
notifications: editor banner (#394 by https://github.com/takanuva15)

JetBrains/intellij-sdk-docs,artspb/intellij-sdk-docs,artspb/intellij-sdk-docs,artspb/intellij-sdk-docs,artspb/intellij-sdk-docs,JetBrains/intellij-sdk-docs,JetBrains/intellij-sdk-docs