SpringBoot Add ConnectionDetails and Service Connection and Docker-Compose support for LDAP

This PR includes: * Adding the ConnectionDetails abstraction for LdapAutoConfiguration * Docker-Compose Support for the osixia/openldap Image * Testcontainer Support for the osixia/openldap Image

Comment From: scottfrederick

@PhilKes Thank you very much, and congratulations on your first Spring Boot contribution. It has been merged along with a few small changes here.