* Improved section regarding server admin
Added steps describing how to elevate an existing user to administrator by manipulating a `postgres` database.
Signed-off-by: jejo86 28619134+jejo86@users.noreply.github.com
* Improved section regarding server admin
* Reference database settings
Add instructions to check database settings to find out the database name, instead of listing all available PostgreSQL databases.
* Add suggestions from PR conversation
Replace config filename `homeserver.yaml`. with "config file".
Remove instructions to switch to `postgres` user.
Add instructions how to connect to SQLite database.
* Update changelog.d/13230.doc
Co-authored-by: reivilibre <olivier@librepush.net>
