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/build.gradle.kts

@@ -95,11 +95,11 @@ kotlin {
 }
 
 android {
-    namespace = "com.example.mycrib"
+    namespace = "com.example.casera"
     compileSdk = libs.versions.android.compileSdk.get().toInt()
 
     defaultConfig {
-        applicationId = "com.example.mycrib"
+        applicationId = "com.example.casera"
         minSdk = libs.versions.android.minSdk.get().toInt()
         targetSdk = libs.versions.android.targetSdk.get().toInt()
         versionCode = 1
@@ -131,11 +131,11 @@ dependencies {
 
 compose.desktop {
     application {
-        mainClass = "com.example.mycrib.MainKt"
+        mainClass = "com.example.casera.MainKt"
 
         nativeDistributions {
             targetFormats(TargetFormat.Dmg, TargetFormat.Msi, TargetFormat.Deb)
-            packageName = "com.example.mycrib"
+            packageName = "com.example.casera"
             packageVersion = "1.0.0"
         }
     }