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/commonMain/kotlin/com/example/casera/platform/ImagePicker.kt

@@ -0,0 +1,36 @@
+package com.example.casera.platform
+
+import androidx.compose.runtime.Composable
+
+data class ImageData(
+    val bytes: ByteArray,
+    val fileName: String
+) {
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other == null || this::class != other::class) return false
+
+        other as ImageData
+
+        if (!bytes.contentEquals(other.bytes)) return false
+        if (fileName != other.fileName) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        var result = bytes.contentHashCode()
+        result = 31 * result + fileName.hashCode()
+        return result
+    }
+}
+
+@Composable
+expect fun rememberImagePicker(
+    onImagesPicked: (List<ImageData>) -> Unit
+): () -> Unit
+
+@Composable
+expect fun rememberCameraPicker(
+    onImageCaptured: (ImageData) -> Unit
+): () -> Unit