docs: AlphaTab tutorial (#87)

docs/getting-started/installation-android.mdx

@@ -19,7 +19,7 @@ import Tabs from '@theme/Tabs';
 import TabItem from '@theme/TabItem';
 
 <Tabs
-  defaultValue="js"
+  defaultValue="gradle-kotlin"
   values={[
     { label: 'Gradle (Kotlin)', value: 'gradle-kotlin', },
     { label: 'Gradle (Groovy)', value: 'gradle-groovy', },
@@ -86,6 +86,12 @@ dependencies {
 
 After adding alphaTab as a dependency to your project, you can add the alphaTab control `alphaTab.AlphaTabView` to any layout.
 
+:::info
+
+Important: We currently only ship a classical "view" based control. If you have interest in a Jetpack Compose control, vote for [this issue](https://github.com/CoderLine/alphaTab/issues/1475) on our roadmap or try to [wrap the classical control](https://developer.android.com/develop/ui/compose/libraries).
+
+:::
+
 ```xml
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.constraintlayout.widget.ConstraintLayout

docs/introduction.mdx

@@ -96,7 +96,7 @@ The Kotlin for Android version of alphaTab comes as Maven package on Maven Centr
 * Package Name: `alphaTab-android`
 
 
-:::warn
+:::warning
 The Kotlin for Android version is still fairly new and there might be still some problems. We rely on your feedback to continuously improve this target.
 :::
 

docs/tutorial-android/conclusion.mdx

@@ -4,9 +4,10 @@ title: Conclusion
 
 This was it about the tutorial on how to learn using alphaTab for your projects. 
 Next step for you would be to head over to the [reference docs](/docs/reference/settings) 
-and learn about the full feature set of alphaTab and what additional features you might want to integrate into your app. 
+and learn about the full feature set of alphaTab and what additional features you might want to integrate into your app.
 
-<img src="/img/tutorial-android/result.png" height="400" />
+<img src="/img/tutorial-android/conclusion-1.png" width="400" />
+<img src="/img/tutorial-android/conclusion-2.png" width="400" />
 
 It is up to your experience and creativity to develop more features around this base we build together. 
 Maybe you want to build a speed-trainer or add a fretboard/piano display. Whatever you try to build