moving non critical settings to sd

based on WillyJL's work

TODO: fix loader_menu

scripts/fbt/appmanifest.py

@@ -26,6 +26,7 @@ class FlipperAppType(Enum):
     STARTUP = "StartupHook"
     EXTERNAL = "External"
     MENUEXTERNAL = "MenuExternal"
+    EXTSETTINGS = "ExtSettings"
     METAPACKAGE = "Package"
     PLUGIN = "Plugin"
 
@@ -260,6 +261,7 @@ class AppBuildset:
         FlipperAppType.PLUGIN: True,
         FlipperAppType.DEBUG: True,
         FlipperAppType.MENUEXTERNAL: False,
+        FlipperAppType.EXTSETTINGS: False,
     }
     DIST_APP_TYPES = list(
         # Applications that are installed on SD card