fix #1 rename app to QRCode for consistency with other f0 apps

application.fam

@@ -1,7 +1,7 @@
 App(
     appid="qrcode",
-    name="qrcode",
-    fap_version=(1,1),
+    name="QRCode",
+    fap_version=(2,0),
     fap_description="Display qrcodes",
     fap_author="Bob Matcuk",
     fap_weburl="https://github.com/bmatcuk/flipperzero-qrcode",