install, update the Arch-based packages.

bin/install.sh

@@ -56,7 +56,7 @@ if [[ "$pkgmgr" == "apt" ]]; then
 elif [[ $pkgmgr == "pacman" ]]; then
 	pacman -Rcns --noconfirm *docker*
 
-	pacman -Sy --noconfirm docker docker-compose &&
+	pacman -Sy --noconfirm docker docker-compose docker-buildx ca-certificates &&
 	echo "Success!" &&
 	exit 0
 fi