ktnb guides fixes and additions

AndreiKingsley · AndreiKingsley · commit 2573a585cdb2 · 2025-05-09T22:00:27.000+04:00
diff --git a/docs/StardustDocs/images/ktnb_drag_n_drop.mp4 b/docs/StardustDocs/images/ktnb_drag_n_drop.mp4
diff --git a/docs/StardustDocs/topics/gettingStarted/gettingStartedKotlinNotebook.md b/docs/StardustDocs/topics/gettingStarted/gettingStartedKotlinNotebook.md
@@ -81,9 +81,9 @@ Or use the latest stable version of Kotlin DataFrame
 Let’s create your first Kotlin DataFrame in the notebook — a simple "Hello, World!" style example:
 
 ```kotlin
-val df = dataFrameOf("name", "age")(
-    "Alice", 25,
-    "Bob", 30
+val df = dataFrameOf(
+  "name" to listOf("Alice", "Bob"),
+  "age" to listOf(25, 30)
 )
 ```
 
diff --git a/docs/StardustDocs/topics/guides/Kotlin-DataFrame-Features-in-Kotlin-Notebook.md b/docs/StardustDocs/topics/guides/Kotlin-DataFrame-Features-in-Kotlin-Notebook.md
@@ -4,7 +4,12 @@ The [Kotlin Notebook Plugin for IntelliJ IDEA](https://plugins.jetbrains.com/plu
 combined with Kotlin DataFrame, offers powerful data analysis capabilities within an interactive environment.
 Here are the key features:
 
-<!---TODO add drag-n-drop--->
+### Drag-and-Drop Data Files
+
+You can quickly load data into `DataFrame` into a notebook by simply dragging and dropping a file 
+(.csv/.json/.xlsx and .geojson/.shp) directly into the notebook editor:
+
+<video src="ktnb_drag_n_drop.mp4" controls/>
 
 ### Visual Data Exploration
 **Page through your data**:
