add discord invite button in UI

webui/src/components/DiscordInviteButton.jsx

@@ -0,0 +1,23 @@
+import { useSession } from "../context/SessionContext";
+import { FaDiscord } from "react-icons/fa";
+
+export default function DiscordInviteButton({text = "Join our Discord!"}) {
+  const { session } = useSession();
+  const discordInvite = session?.discord?.invite || null;
+
+  if (!discordInvite) return null;
+
+  return (
+    <a
+      href={discordInvite}
+      target="_blank"
+      rel="noopener noreferrer"npm 
+      className="inline-flex items-center px-3 py-2 text-white rainbow-animate-bg transition justify-center"
+    // animated rainbow backgound
+    // className="inline-flex items-center px-3 py-2 bg-gradient-to-r from-indigo-500 via-purple-500 to-pink-500 text-white rounded hover:from-indigo-600 hover:via-purple-600 hover:to-pink-600 transition"
+    >
+      <FaDiscord className="mr-2" />
+        {text}
+    </a>
+  );
+}

webui/src/components/DrivePanel.jsx

@@ -1,5 +1,6 @@
 import { useTelemetryFrame } from '../context/TelemetryContext.jsx';
 import { useControlSystem } from '../controls/index.js';
+import DiscordInviteButton from './DiscordInviteButton.jsx';
 
 export default function DrivePanel() {
   const {
@@ -53,6 +54,7 @@ export default function DrivePanel() {
           disabled={!roverId}
         />
       </div>
+      {/* <DiscordInviteButton /> */}
     </section>
   );
 }

webui/src/components/ModeGateOverlay.jsx

@@ -1,5 +1,6 @@
 import AuthPanel from './AuthPanel.jsx';
 import { useSession } from '../context/SessionContext.jsx';
+import DiscordInviteButton from './DiscordInviteButton.jsx';
 
 const PRIVILEGED_ROLES = new Set(['admin', 'lockdown', 'lockdown-admin']);
 const RESTRICTED_MODES = new Set(['admin', 'lockdown']);
@@ -42,6 +43,9 @@ export default function ModeGateOverlay() {
         <div className="surface-muted">
           <AuthPanel />
         </div>
+        <div className='w-full justify-center items-center'>
+          <DiscordInviteButton text='Join our Discord server for updates!'/>
+        </div>
         {/* <p className="text-xs text-slate-500">
           Your controls are paused until access is granted. You will automatically regain the interface once the mode
           changes or after a successful login.