Added app descriptions (#8)

hedger · web-flow · commit e0abae24f500 · 2023-08-04T01:36:02.000+04:00
diff --git a/application.fam b/application.fam
@@ -1,6 +1,7 @@
 App(
     appid="signal_generator",
     name="Signal Generator",
+    description="Control GPIO pins to generate digital signals",
     apptype=FlipperAppType.EXTERNAL,
     entry_point="signal_gen_app",
     requires=["gui"],
