Added fap_version field to all apps (#15)

application.fam

@@ -6,6 +6,7 @@ App(
     requires=["gui"],
     stack_size=1 * 2048,
     fap_description="Application for reading and writing 25-series SPI memory chips",
+    fap_version="1.0",
     fap_icon="images/Dip8_10px.png",
     fap_category="GPIO",
     fap_icon_assets="images",