feat: Support dark mode in login pages (#7420)

Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>

app/javascript/v3/views/index.js

@@ -0,0 +1,20 @@
+import VueRouter from 'vue-router';
+
+import routes from './routes';
+import AnalyticsHelper from 'dashboard/helper/AnalyticsHelper';
+import { validateRouteAccess } from '../helpers/RouteHelper';
+
+export const router = new VueRouter({ mode: 'history', routes });
+
+export const initalizeRouter = () => {
+  router.beforeEach((to, _, next) => {
+    AnalyticsHelper.page(to.name || '', {
+      path: to.path,
+      name: to.name,
+    });
+
+    return validateRouteAccess(to, next, window.chatwootConfig);
+  });
+};
+
+export default router;