Update docker.sh

added archlinux support

scripts/subinstallers/docker.sh

@@ -3,12 +3,20 @@
 # Docker
 figlet "Mistborn: Installing Docker"
 
-sudo apt update
+if [ "$DISTRO" == "ubuntu" ] || [ "$DISTRO" == "debian" ] || [ "$DISTRO" == "raspbian" ] ; then
-sudo apt install -y python python3-pip python3-setuptools libffi-dev python3-dev libssl-dev
+    sudo apt-get update
+    sudo apt-get install -y python python3-pip python3-setuptools libffi-dev python3-dev libssl-dev
+elif [ "$DISTRO" == "arch" ]; then
+    sudo pacman -Syyy
+    sudo pacman -S --noconfirm python python-pip python-setuptools libffi openssl
+fi
+
 
 if [ "$DISTRO" == "ubuntu" ] && [ "$VERSION_ID" == "20.04" ]; then
     echo "Automated Docker install"
     sudo apt-get install -y docker-compose
+elif [ "$DISTRO" == "arch" ]; then
+    sudo pacman -S --noconfirm docker-compose
 else
     echo "Manual Docker installation"
     source ./scripts/subinstallers/docker_manual.sh