Update .env.example

.env.example

@@ -72,10 +72,11 @@ REDIS_PORT=6379
 REDIS_CLIENT=phpredis
 
 SESSION_DRIVER=redis
-SESSION_DOMAIN=
+SESSION_DOMAIN=null
 SESSION_SECURE_COOKIE=false
 SESSION_ENCRYPT=false
 SESSION_COOKIE=nntmux
+SESSION_PATH=/
 
 MAIL_DRIVER=smtp
 MAIL_HOST=smtp.mailtrap.io
@@ -184,7 +185,3 @@ PURGE_INACTIVE_USERS=false
 OTP_ENABLED=false
 
 FLARE_KEY=
-
-SESSION_ENCRYPT=false
-SESSION_PATH=/
-SESSION_DOMAIN=null