adding note about creating new oauth2 app

README.md

@@ -10,7 +10,11 @@ Install Docker. I'm using a Ubuntu 20.04 machine. Not a HA or scaling setup, jus
 sudo bash setup.sh
 ```
 
-Next, setup the secrets:
+Next, setup the OAuth2 application within Gitea on a service account which is a member of the right organizations:
+
+https://git.wownero.com/user/settings/applications
+
+Then, setup the secrets:
 
 ```
 cp env.example .env