Adding nginx config monitor script

Author: vicholz

tools/nginx_config_monitor.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+while true; do
+    inotifywait --exclude .swp -e create -e modify -e delete -e move /etc/nginx/conf.d /etc/nginx/modules-enabled /etc/nginx/sites-enabled
+        
+    # Test nginx config before attempting to restart.
+    nginx -t
+    if [ $? -eq 0 ]; then
+        # Config test passed - loading config.
+        echo "Detected Nginx Configuration Change"
+        echo "Executing: nginx -s reload"
+        nginx -s reload
+    else
+        echo "Config test did not pass. Please fix config and try again."
+    fi
+done