feat: add nfc step 1

app/src/main/java/com/bitcointxoko/gudariwallet/ui/UiStates.kt

@@ -142,6 +142,15 @@ sealed interface ClipboardOfferState {
     ) : ClipboardOfferState
 }
 
+
+sealed interface NfcOfferState {
+    data object None : NfcOfferState
+    data class Detected(
+        val raw      : String,
+        val inputType: SendInputType
+    ) : NfcOfferState
+}
+
 /**
  * Shared interface for send states that represent a fully decoded invoice
  * ready for user confirmation. Allows ConfirmCardContent to accept either