Rebrand from MyCrib to Casera

- Rename Kotlin package from com.example.mycrib to com.example.casera
- Update Android app name, namespace, and application ID
- Update iOS bundle identifiers and project settings
- Rename iOS directories (MyCribTests -> CaseraTests, etc.)
- Update deep link schemes from mycrib:// to casera://
- Update app group identifiers
- Update subscription product IDs
- Update all UI strings and branding

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

composeApp/src/jvmMain/kotlin/com/example/casera/main.kt

@@ -0,0 +1,23 @@
+package com.example.casera
+
+import androidx.compose.ui.window.Window
+import androidx.compose.ui.window.application
+import com.casera.storage.TokenManager
+import com.casera.storage.TokenStorage
+import com.casera.storage.TaskCacheManager
+import com.casera.storage.TaskCacheStorage
+
+fun main() = application {
+    // Initialize TokenStorage with JVM TokenManager
+    TokenStorage.initialize(TokenManager.getInstance())
+
+    // Initialize TaskCacheStorage for offline task caching
+    TaskCacheStorage.initialize(TaskCacheManager.getInstance())
+
+    Window(
+        onCloseRequest = ::exitApplication,
+        title = "MyCrib",
+    ) {
+        App()
+    }
+}