added protoview app

https://github.com/antirez/protoview

applications/plugins/protoview/application.fam

@@ -0,0 +1,12 @@
+App(
+    appid="protoview",
+    name="Protocols visualizer",
+    apptype=FlipperAppType.EXTERNAL,
+    entry_point="protoview_app_entry",
+    cdefines=["APP_PROTOVIEW"],
+    requires=["gui"],
+    stack_size=8 * 1024,
+    order=50,
+    fap_icon="appicon.png",
+    fap_category="Tools",
+)