chore: fix remaining rebranding and frontend updates

vite-frontend/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "flux-panel",
+  "name": "flvx",
   "private": true,
   "version": "0.0.0",
   "type": "module",

vite-frontend/src/layouts/admin.tsx

@@ -375,7 +375,7 @@ export default function AdminLayout({
                 rel="noopener noreferrer"
                 target="_blank"
               >
-                flux-panel
+                FLVX
               </a>
             </p>
           </div>

vite-frontend/src/pages/index.tsx

@@ -229,7 +229,7 @@ export default function IndexPage() {
               rel="noopener noreferrer"
               target="_blank"
             >
-              flux-panel
+              FLVX
             </a>
           </p>
           <p className="text-xs text-gray-400 dark:text-gray-500 mt-1">

vite-frontend/src/pages/profile.tsx

@@ -309,7 +309,7 @@ export default function ProfilePage() {
               rel="noopener noreferrer"
               target="_blank"
             >
-              flux-panel
+              FLVX
             </a>
           </p>
           <p className="text-xs text-gray-400 dark:text-gray-500 mt-1">