This commit updates the docker-compose.yml file to use example.com domain instead of localhost.
It also adds a new Prosody instance using LDAP authentication with glauth as the backend. The commit also includes a new file config.cfg for the glauth server configuration.
Created a tests folder which contains pytest and bats tests.
Pytest is used to login and send messages to other accounts.
Bats is used to check the log for debug messages.
This fixes#13.