Refactor file paths and update cronjob for Cloudflare DDNS

scripts/run_script.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+export CLOUDFLARE_API_KEY=$API_KEY
+export CLOUDFLARE_DOMAIN=$DOMAIN_NAME
+export CLOUDFLARE_ZONE_ID=$ZONE_ID
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+# Run the script
+python3 $DIR/../src/update_dns.py $@