fixed aur command (forgot to include)

pman.sh

@@ -8,7 +8,7 @@ more_arguments=false
 su_needed=false
 
 # Check if yay (aur)
-if [ "$command_args" = "yay" ]; then
+if [ "$command_args" = "yay" ] || [ "$command_args" = "aur" ]; then
   command="yay"
   command_args="$1"
   shift