Add encryption for gogs SQL user

Guides/gogs.md

@@ -15,7 +15,7 @@ Use command `./gogs help` to list gogs commands.
 
 `$ sudo -u postgres psql`
 
-`postgres=# CREATE ROLE gogs_app WITH CREATEDB LOGIN PASSWORD 'VerySecretPassword';`
+`postgres=# CREATE ROLE gogs_app WITH CREATEDB LOGIN ENCRYPTED PASSWORD 'VerySecretPassword';`
 
 ### Create gogs database