macOS support (code only, no build yet)

Programs/SaraFem/Manifest.toml

@@ -1,6 +1,6 @@
 Name = "SaraFem"
 Description = "Desktop file manager that understands SaraTag Books, and (on Linux) can stand in as the system file picker."
-Platforms = ["Linux", "Windows"]
+Platforms = ["Linux", "Windows", "macOS"]
 
 # The portal reads its descriptors and preferences once at startup.
 RestartUnits = ["xdg-desktop-portal.service"]
@@ -77,6 +77,13 @@ Name = "SaraFem"
 Script = "Main.py"
 Icon = "assets/Icon.png"
 
+# macOS: an app bundle, ~/Applications/SaraFem.app (python Main.py, from the app folder).
+[[Shortcuts]]
+Platform = "macOS"
+Name = "SaraFem"
+Script = "Main.py"
+Icon = "assets/Icon.png"
+
 [[Leftovers]]
 Path = "{CacheHome}/SaraFem"
 Kind = "Runtime"