add the option to use ly as display manager (#2004)

Signed-off-by: Christian Heusel <christian@heusel.eu>

archinstall/default_profiles/profile.py

@@ -34,6 +34,7 @@ class GreeterType(Enum):
 	Lightdm = 'lightdm'
 	Sddm = 'sddm'
 	Gdm = 'gdm'
+	Ly = 'ly'
 
 
 class SelectResult(Enum):

archinstall/lib/profile/profiles_handler.py

@@ -182,6 +182,9 @@ class ProfileHandler:
 			case GreeterType.Gdm:
 				packages = ['gdm']
 				service = ['gdm']
+			case GreeterType.Ly:
+				packages = ['ly']
+				service = ['ly']
 
 		if packages:
 			install_session.add_additional_packages(packages)