fix demo link.

README.md

@@ -139,7 +139,7 @@ Examples of using of the Lets-Plot Kotlin API in JVM and Kotlin/JS applications
 - #### Panning and Zooming
   <img src="https://raw.githubusercontent.com/JetBrains/lets-plot/master/docs/f-24g/images/ggtb.png" alt="f-24g/images/ggtb.png" width="300" height="134">
 
-  See [example notebook](https://nbviewer.org/github/JetBrains/lets-plot-kotlin/tree/master/docs/examples/jupyter-notebooks/f-4.9.0/interact_pan_zoom.ipynb).
+  See [example notebook](https://nbviewer.org/github/JetBrains/lets-plot-kotlin/blob/master/docs/examples/jupyter-notebooks/f-4.9.0/interact_pan_zoom.ipynb).
 
 - #### Clickable Links
   <img src="https://raw.githubusercontent.com/JetBrains/lets-plot/master/docs/f-24g/images/lp_verse.png" alt="f-24g/images/lp_verse.png" width="400" height="270">

devdocs/JUPYTER_KOTLIN_KERNEL.md

@@ -58,8 +58,11 @@ Otherwise, Kotlin Kernel uses 'bundled' descriptors installed to:
 
 `$ ./gradlew publishLetsPlotKotlinKernelPublicationToMavenLocalRepository`  
 `$ ./gradlew publishLetsPlotKotlinGeoToolsPublicationToMavenLocalRepository`
+`$ ./gradlew publishletsPlotKotlinJupyterPublicationToMavenLocalRepository`
+`$ ./gradlew publishletsPlotKotlinGeotoolsJupyterPublicationToMavenLocalRepository`
+`$ ./gradlew publishLetsPlotKotlinJsonPublicationToMavenLocalRepository`
 
-It will publish `lets-plot-kotlin-api-kernel-<version>` artifact to the `<project root>/.maven-publish-dev-repo/` folder.
+It will publish `lets-plot-kotlin-api-kernel-<version>` etc. artifacts to `<project root>/.maven-publish-dev-repo/` folder.
 
 #### 2) Edit "lets-plot.json" (see info above about its location):
 

toolkit/jupyter/src/main/kotlin/org/jetbrains/letsPlot/toolkit/jupyter/Integration.kt

@@ -4,6 +4,7 @@ import org.jetbrains.kotlinx.jupyter.api.HTML
 import org.jetbrains.kotlinx.jupyter.api.Notebook
 import org.jetbrains.kotlinx.jupyter.api.declare
 import org.jetbrains.kotlinx.jupyter.api.libraries.JupyterIntegration
+import org.jetbrains.kotlinx.jupyter.api.libraries.repositories
 import org.jetbrains.kotlinx.jupyter.api.libraries.resources
 import org.jetbrains.letsPlot.Figure
 import org.jetbrains.letsPlot.LetsPlot