feature: web.shell lets /shell of the web service open a login shell of web.shell_user over a WebSocket for the Router Manager's Shell page, after the user signs in again.

debian-package/src/usr/share/doc/vpn-router/vpn-router.json.example

@@ -61,7 +61,10 @@
     "port": 7081,
     "database": "",
     "trusted_proxies": [],
-    "status_content": "basic"
+    "status_content": "basic",
+    "shell": false,
+    "shell_user": "",
+    "shell_idle_minutes": 15
   },
   "https": {
     "enabled": true,