add register page

src/ez_lan_manager/helpers/LoggedInGuard.py

@@ -5,6 +5,12 @@ from rio import Session, URL
 from src.ez_lan_manager.types.SessionStorage import SessionStorage
 
 
+# Guards pages against access from users that are NOT logged in
 def logged_in_guard(session: Session, _) -> Optional[URL]:
     if session[SessionStorage].user_id is None:
         return URL("./")
+
+# Guards pages against access from users that ARE logged in
+def not_logged_in_guard(session: Session, _) -> Optional[URL]:
+    if session[SessionStorage].user_id is not None:
+        return URL("./")