Added arch-install-scripts to package checks.

pi4/build/build-stormux.sh

@@ -121,7 +121,7 @@ if [[ "$(uname -m)" == "x86_64" ]]; then
         exit 1
     fi
 fi
-for i in dosfstools parted wget ; do
+for i in arch-install-scripts dosfstools parted wget ; do
     if ! pacman -Q $i &> /dev/null ; then
         echo "Please install $i before continuing."
         exit 1