fix and upgrade gradle

composeApp/src/commonMain/kotlin/at/mocode/server/App.kt

@@ -1,20 +1,14 @@
 package at.mocode.server
 
 import androidx.compose.animation.AnimatedVisibility
-import androidx.compose.foundation.Image
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.material.Button
 import androidx.compose.material.MaterialTheme
-import androidx.compose.material.Text
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import org.jetbrains.compose.resources.painterResource
 import org.jetbrains.compose.ui.tooling.preview.Preview
 
-import meldestelle.composeapp.generated.resources.Res
-import meldestelle.composeapp.generated.resources.compose_multiplatform
 
 @Composable
 @Preview
@@ -22,15 +16,9 @@ fun App() {
     MaterialTheme {
         var showContent by remember { mutableStateOf(false) }
         Column(Modifier.fillMaxWidth(), horizontalAlignment = Alignment.CenterHorizontally) {
-            Button(onClick = { showContent = !showContent }) {
-                Text("Click me!")
-            }
+
             AnimatedVisibility(showContent) {
-                val greeting = remember { Greeting().greet() }
-                Column(Modifier.fillMaxWidth(), horizontalAlignment = Alignment.CenterHorizontally) {
-                    Image(painterResource(Res.drawable.compose_multiplatform), null)
-                    Text("Compose: $greeting")
-                }
+
             }
         }
     }