v4.4.0

• The smaller native SDK variants are now available under BOTH Swift Package Manager and CocoaPods via standalone packages with an identical Dart API: didit_sdk_core (manual capture only, iOS 13.0+), didit_sdk_autodetection (automatic capture without NFC, iOS 13.0+), and didit_sdk_nfc (NFC without automatic capture, iOS 15.0+). Depend on exactly one of the didit_sdk packages; each variant package pins the matching native SDK on both iOS and Android.
• didit_sdk itself is unchanged (full native SDK by default) - existing Swift Package Manager and CocoaPods setups, including $DiditSdkIosVariant, keep working as before.
• No Dart API changes.