Fix course info

course-info.yaml

@@ -1,10 +1,8 @@
 type: marketplace
-title: Introduction to IDE Code Refactoring
+title: "Kotlin Onboarding: Collections"
 language: English
 summary: |-
-  This course will introduce you to refactorings and the IDE features that will help you to perform them in an effective way. You will learn to recognize refactoring opportunities in code and to deal with them. Using automatic IDE refactorings, you will transform code to improve its structure, readability, and maintainability.
-
-  The course consists of 8 sections. Each section focuses on one group of refactorings and provides brief theory and several small tasks for practice. We will move on from small local refactoring changes to more complex ones, which affect the entire project architecture.
+  TODO
 programming_language: Kotlin
 content:
   - duckShopServer