feat(ui): Rename app from MyIce to MyIceK

Update the app display name in all user-visible locations:
Android manifest label, desktop window title, login screen,
and schedule screen top bar.

Refs #2

composeApp/src/commonMain/kotlin/ch/parano/myice/ui/screens/LoginScreen.kt

@@ -66,7 +66,7 @@ fun LoginScreen(
             verticalArrangement = Arrangement.Center,
         ) {
             Text(
-                text = "MyIce",
+                text = "MyIceK",
                 style = MaterialTheme.typography.headlineLarge,
                 fontWeight = FontWeight.Bold,
             )

composeApp/src/commonMain/kotlin/ch/parano/myice/ui/screens/ScheduleScreen.kt

@@ -80,7 +80,7 @@ fun ScheduleScreen(
     Scaffold(
         topBar = {
             TopAppBar(
-                title = { Text("MyIce") },
+                title = { Text("MyIceK") },
                 actions = {
                     val email = (authState as? ch.parano.myice.viewmodel.AuthState.Authenticated)?.email
                     if (email != null) {