Use local IP address for Caravan suggestion

rootfs/standard/var/www/mynode/caravan.py

@@ -2,6 +2,7 @@
 from flask import Blueprint, render_template, redirect
 from settings import read_ui_settings
 from user_management import check_logged_in
+from device_info import *
 import subprocess
 import re
 import os
@@ -17,6 +18,7 @@ def caravan_page():
     # Load page
     templateData = {
         "title": "myNode Caravan",
+        "local_ip": get_local_ip(),
         "ui_settings": read_ui_settings()
     }
     return render_template('caravan.html', **templateData)

rootfs/standard/var/www/mynode/templates/caravan.html

@@ -49,7 +49,7 @@
                 <li>Change the Public/Private option to Private</li>
                 <li>Change the URL to your node's IP address hostname with port 8334. For example:</li>
                     <ul>
-                        <li>https://192.168.1.101:8334</li>
+                        <li>https://{{local_ip}}:8334</li>
                         <li>https://mynode.local:8334</li>
                     </ul>
                 <li>Change the Username to "mynode"</li>