Setup Showkase and add some Preview. WIP

libraries/textcomposer/build.gradle.kts

@@ -1,5 +1,7 @@
 plugins {
     id("io.element.android-compose")
+    // TODO Move to common config
+    id("com.google.devtools.ksp") version "1.7.20-1.0.7"
 }
 
 android {
@@ -15,4 +17,6 @@ dependencies {
     implementation(libs.wysiwyg)
     implementation(libs.androidx.constraintlayout)
     implementation("com.google.android.material:material:1.7.0")
+    // TODO Move to common config
+    ksp("com.airbnb.android:showkase-processor:1.0.0-beta14")
 }