feat: Google OAuth for login & signup (#6346)

This PR adds Google OAuth for all existing users, allowing users to log in or sign up via their Google account.

---------

Co-authored-by: Pranav Raj S <pranav@chatwoot.com>
Co-authored-by: Fayaz Ahmed <15716057+fayazara@users.noreply.github.com>
Co-authored-by: Sojan <sojan@pepalo.com>

app/javascript/dashboard/routes/index.js

@@ -42,6 +42,7 @@ const authIgnoreRoutes = [
   'auth_confirmation',
   'pushBack',
   'auth_password_edit',
+  'oauth-callback',
 ];
 
 const routeValidators = [
@@ -117,6 +118,7 @@ export const validateRouteAccess = (to, from, next, { getters }) => {
 
 export const initalizeRouter = () => {
   const userAuthentication = store.dispatch('setUser');
+
   router.beforeEach((to, from, next) => {
     AnalyticsHelper.page(to.name || '', {
       path: to.path,