update .env.example

Author: skn-036

.env.example

@@ -20,7 +20,7 @@ QUEUE_CONNECTION=sync
 SESSION_DRIVER=cookie
 SESSION_LIFETIME=600
 SESSION_DOMAIN="null"
-SANCTUM_STATEFUL_DOMAINs="127.0.0.1:8000"
+SANCTUM_STATEFUL_DOMAINS="127.0.0.1:8000"
 
 MEMCACHED_HOST=127.0.0.1