:sparkless: add auth persistance

src/auth/RequireAuth.tsx

@@ -4,13 +4,12 @@ import {
 } from "react-router-dom";
 
 import { useAuth } from "./useAuth";
-import { read_cookie } from 'sfcookies';
 
 function RequireAuth({ children }: { children: JSX.Element }) {
     let auth = useAuth();
     let location = useLocation();
 
-    if (read_cookie('user').length === 0 && !auth.user) {
+    if (!auth.user) {
         // Redirect them to the /login page, but save the current location they were
         // trying to go to when they were redirected. This allows us to send them
         // along to that page after they login, which is a nicer user experience