feat: add screen transitions and rebrand to MyIce

- AnimatedContent with fade transitions between screens (300ms)
- Desktop window title 'MyIce' (dropped 'K' codename)

composeApp/src/commonMain/kotlin/ch/parano/myicek/App.kt

@@ -17,6 +17,11 @@
 
 package ch.parano.myicek
 
+import androidx.compose.animation.AnimatedContent
+import androidx.compose.animation.core.tween
+import androidx.compose.animation.fadeIn
+import androidx.compose.animation.fadeOut
+import androidx.compose.animation.togetherWith
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
@@ -83,7 +88,14 @@ fun App(
     }
 
     MyIceTheme {
-        when (val screen = currentScreen) {
+        AnimatedContent(
+            targetState = currentScreen,
+            transitionSpec = {
+                fadeIn(tween(300)) togetherWith fadeOut(tween(300))
+            },
+            label = "screenTransition",
+        ) { screen ->
+            when (screen) {
                 Screen.Login -> LoginScreen(viewModel = authViewModel)
                 Screen.Schedule -> ScheduleScreen(
                     scheduleViewModel = scheduleViewModel,
@@ -103,4 +115,5 @@ fun App(
                 )
             }
         }
+    }
 }

composeApp/src/desktopMain/kotlin/ch/parano/myicek/Main.kt

@@ -22,7 +22,7 @@ import androidx.compose.ui.window.application
 import ch.parano.myicek.auth.DesktopOAuthClient
 
 fun main() = application {
-    Window(onCloseRequest = ::exitApplication, title = "MyIceK") {
+    Window(onCloseRequest = ::exitApplication, title = "MyIce") {
         App(oauthClient = DesktopOAuthClient())
     }
 }