updated setup.sh for system_aliases move to /etc/

setup.sh

@@ -70,7 +70,8 @@ if [ -f "$repo_directory/user_aliases" ]; then
 fi
 
 # Set System Aliases
-sudo add_string_to_file "/etc/bash.bashrc" "source /home/$main_user/dots/system_aliases"
+sudo cp "/home/$main_user/dots/system_aliases" "/etc/system_aliases"
+sudo add_string_to_file "/etc/bash.bashrc" "source /etc/system_aliases"
 
 # Source
 source "$HOME/.bashrc"