Moved nfc and wifi into dedicated file

src/card/model.rs

@@ -1 +1,11 @@
-// Card model module
+#[derive(Debug, Clone, Copy)]
+pub struct NfcPayload<'a> {
+    pub event_encoding: &'a [u8],
+    pub card_type: u8,
+    pub card_uuid: &'a [u8],
+    pub _reserved: &'a [u8],
+    pub sprite: &'a [u8],
+    pub packed_card_text: &'a [u8],
+    pub secret: &'a [u8],
+    pub _opaque_trailer: &'a [u8],
+}