* structure dtos and private methods
* add basic LDAP service
* use LDAP service in ldap debug API
* lower non fatal error
* remove unused globals
* wip
* remove final globals
* fix tests to use cfg enabled
* restructure errors
* remove logger from globals
* use ldap service in authn
* use ldap service in context handler
* fix failed tests
* fix ldap middleware provides
* fix provides in auth_test.go
