Update Application FAM + Add Settings Button Gif

[Problem]
Settings button gif is missing and need to update the version
to be the latest release.

[Solution]
Added settings button gif for easier updates and updated the
app version.

[Testing]
N/A

application.fam

@@ -7,7 +7,7 @@ App(
     entry_point="tone_gen_app",
     stack_size=2 * 1024,
     fap_category="Tools",
-    fap_version="0.1",
+    fap_version="1.0",
     fap_icon="tone_gen.png",  # 10x10 1-bit PNG
     fap_description="A simple app to generate sound tones.",
     fap_author="Gerald McAlister",