Massively rework wallpaper script

Now runs automatically every 15 minutes, always updates to new backgrounds, and tries to reduce the blue light level at night

scripts/wallpaper.py

@@ -0,0 +1,20 @@
+#!/bin/env python
+from argparse import ArgumentParser, Namespace
+from typing import cast
+
+from lib.wallpaper import main
+
+
+class Arguments(Namespace):
+	check_steam: bool = False
+
+
+def call_from_args() -> None:
+	parser = ArgumentParser(description="Adjusts the wallpaper based on the time of day")
+	_ = parser.add_argument("-s", "--check-steam", action="store_true", help="Don't adjust the wallpaper if Steam is active")
+	args = cast(Arguments, parser.parse_args())
+	main(args.check_steam)
+
+
+if __name__ == "__main__":
+	call_from_args()