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/androidMain/AndroidManifest.xml

@@ -36,7 +36,7 @@
                 <category android:name="android.intent.category.BROWSABLE" />
 
                 <data
-                    android:scheme="mycrib"
+                    android:scheme="casera"
                     android:host="reset-password" />
             </intent-filter>
         </activity>