luci-base: move vpn section

Move the VPN configuration section behind the network configuration. The normal
workflow is add/edit the network and then add/edit a vpn configuration.

Signed-off-by: Florian Eckert <fe@dev.tdt.de>

modules/luci-base/root/usr/share/luci/menu.d/luci-base.json

@@ -32,15 +32,6 @@
 		}
 	},
 
-	"admin/vpn": {
-		"title": "VPN",
-		"order": 30,
-		"action": {
-			"type": "firstchild",
-			"recurse": true
-		}
-	},
-
 	"admin/services": {
 		"title": "Services",
 		"order": 40,
@@ -59,6 +50,15 @@
 		}
 	},
 
+	"admin/vpn": {
+		"title": "VPN",
+		"order": 70,
+		"action": {
+			"type": "firstchild",
+			"recurse": true
+		}
+	},
+
 	"admin/translations/*": {
 		"action": {
 			"type": "call",