Fix manifest

cntdown_timer/application.fam

@@ -13,6 +13,6 @@ App(
     fap_category="Tools",
     fap_author="@0w0mewo",
     fap_weburl="https://github.com/0w0mewo/fpz_cntdown_timer",
-    fap_version="1.4"
+    fap_version="1.4",
     fap_description="Simple count down timer",
 )