Fix ReactOS Shop link

Author: ColinFinck

config.toml

@@ -66,7 +66,7 @@ paginate = 10
 	[[menu.main]]
 		parent = "Community"
 		name = "Shop"
-		url  = "https://reactos.spreadshirt.net"
+		url  = "https://shop.spreadshirt.net/reactos/"
 		weight = 203
 
 [[menu.main]]