Add pro installer for sponsors

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

hack/install-pro.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+if [ "$EUID" -ne 0 ]; then
+    echo "Please run as root or with sudo"
+    exit
+fi
+
+echo "1. Downloading OCI image, and installing pre-requisites"
+echo ""
+if [ ! -x "$(command -v arkade)" ]; then
+    curl -sLS https://get.arkade.dev | sh
+fi
+
+PATH=$PATH:$HOME/.arkade/bin
+if [ ! -x "$(command -v crane)" ]; then
+    arkade get crane
+fi
+
+tmpdir=$(mktemp -d)
+
+arkade oci install --path ${tmpdir} \
+  ghcr.io/openfaasltd/faasd-pro:latest
+
+cd ${tmpdir}
+./install.sh ./
+
+echo ""
+echo "2. You now need to activate your license via GitHub"
+echo ""
+echo "sudo -E faasd github login"
+echo "sudo -E faasd activate"
+echo ""
+echo ""
+echo "3. Then perform the final installation steps"
+echo ""
+echo "sudo -E sh -c \"cd ${tmpdir}/var/lib/faasd && faasd install\""
+echo ""