Merge spectrum_analyzer from https://github.com/xMasterX/all-the-plugins

spectrum_analyzer/application.fam

@@ -9,6 +9,6 @@ App(
     fap_icon="spectrum_10px.png",
     fap_category="Sub-GHz",
     fap_author="@xMasterX & @theY4Kman & @ALEEF02 (original by @jolcese)",
-    fap_version="1.2",
+    fap_version="1.3",
     fap_description="Displays a spectrogram chart to visually represent RF signals around you.",
 )