fix: corrected linter issue

Author: thorsten

mobile/androidApp/src/main/kotlin/app/myfaq/android/screens/WorkspacesScreen.kt

@@ -17,6 +17,7 @@ import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Add
 import androidx.compose.material.icons.filled.Delete
 import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.Button
 import androidx.compose.material3.Card
 import androidx.compose.material3.CenterAlignedTopAppBar
 import androidx.compose.material3.ExperimentalMaterial3Api
@@ -169,6 +170,10 @@ private fun EmptyWorkspacesState(
                 style = MaterialTheme.typography.bodyMedium,
                 color = MaterialTheme.colorScheme.onSurfaceVariant,
             )
+            Spacer(modifier = Modifier.height(16.dp))
+            Button(onClick = onAdd) {
+                Text("Add Instance")
+            }
         }
     }
 }