added stackscript viewer

ss-info.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+# Display the StackScript used to provision the Valheim Linode.
+# Sourcing create-linode.sh (with no positional parameters) loads STACKSCRIPT_ID
+# and the .env values it depends on, without running any of its actions.
+
+# Drop any arguments passed to this script. "source" inherits the caller's
+# positional parameters, so leaving them in place could make create-linode.sh
+# run an action (e.g. create or destroy) instead of just defining variables.
+set --
+
+# With no action argument create-linode.sh only prints its help text; that is
+# not relevant here, so discard it.
+source ./create-linode.sh >/dev/null
+
+if [[ -z "$LINODE_API_KEY" ]]; then
+  echo "ERROR: LINODE_API_KEY is not set; check .env." >&2
+  exit 1
+fi
+
+if [[ -z "$STACKSCRIPT_ID" ]]; then
+  echo "ERROR: STACKSCRIPT_ID is not set in create-linode.sh." >&2
+  exit 1
+fi
+
+curl -s -H "Authorization: Bearer $LINODE_API_KEY" \
+  https://api.linode.com/v4/linode/stackscripts/$STACKSCRIPT_ID | jq -r .script