feat: Add NordVPN NordLynx (WireGuard) integration (#3827)

* feat: Add NordVPN NordLynx (WireGuard) integration with dedicated UI and backend services.

* remove limit=10 to get all servers

* feat: add city selector to NordVPN modal

* feat: auto-select best server on country/city change

* feat: simplify filter logic and enforce > 7% load

* fix

---------

Co-authored-by: Sanaei <ho3ein.sanaei@gmail.com>

web/html/xray.html

@@ -163,6 +163,7 @@
 {{template "modals/dnsPresetsModal"}}
 {{template "modals/fakednsModal"}}
 {{template "modals/warpModal"}}
+{{template "modals/nordModal"}}
 <script>
   const rulesColumns = [
     { title: "#", align: 'center', width: 15, scopedSlots: { customRender: 'action' } },
@@ -1056,6 +1057,9 @@
       showWarp() {
         warpModal.show();
       },
+      showNord() {
+        nordModal.show();
+      },
       async loadCustomGeoAliases() {
         try {
           const msg = await HttpUtil.get('/panel/api/custom-geo/aliases');
@@ -1429,6 +1433,19 @@
           this.templateRuleSetter({ outboundTag: "warp", property: "domain", data: newValue });
         }
       },
+      nordTag: {
+        get: function () {
+          return this.templateSettings ? (this.templateSettings.outbounds.find((o) => o.tag.startsWith("nord-")) || { tag: "nord" }).tag : "nord";
+        }
+      },
+      nordDomains: {
+        get: function () {
+          return this.templateRuleGetter({ outboundTag: this.nordTag, property: "domain" });
+        },
+        set: function (newValue) {
+          this.templateRuleSetter({ outboundTag: this.nordTag, property: "domain", data: newValue });
+        }
+      },
       torrentSettings: {
         get: function () {
           return ArrayUtils.doAllItemsExist(this.settingsData.protocols.bittorrent, this.blockedProtocols);
@@ -1446,6 +1463,11 @@
           return this.templateSettings ? this.templateSettings.outbounds.findIndex((o) => o.tag == "warp") >= 0 : false;
         },
       },
+      NordExist: {
+        get: function () {
+          return this.templateSettings ? this.templateSettings.outbounds.findIndex((o) => o.tag.startsWith("nord-")) >= 0 : false;
+        },
+      },
       enableDNS: {
         get: function () {
           return this.templateSettings ? this.templateSettings.dns != null : false;