nfc_magic: fix icon dependency (#5)

application.fam

@@ -10,7 +10,7 @@ App(
     ],
     stack_size=4 * 1024,
     order=30,
-    fap_icon="../../../assets/icons/Archive/125_10px.png",
+    fap_icon="assets/125_10px.png",
     fap_category="NFC",
     fap_private_libs=[
         Lib(