Set up ddclient

mounts/ddclient/data/postscript_gotify.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+curl "$GOTIFY_ADDRESS/message" \
+    -X POST \
+    -H "X-Gotify-Key: $GOTIFY_TOKEN" \
+    -F "title=IP Address updated" \
+    -F "message=IP address detected as $1" \
+    -F "priority=5"