Added support for username replacement (and password too) for remote SFTP proxy configuration.

Adding in allowed group prefixes functionality (allows you to enable auto mode for groups, but limit creation to just those groups with a matching prefix).

Added functionality for Active Directory groups to be able to have virtual folders created for them along with associated configuration options.

Add minimum username length requirement and ability to provide a username blacklist.

Added support to automatically convert provided usernames to lowercase to help enforce consistency for folder names based on username.

Added some extra logging, along with using reconnect/disconnect for the LDAP connections (not needed as much for this repository, but I think the changes were necessary for the sftpgo-ldap-http-server repository due to it having a long-lived process with the HTTP server.

Moving strip domains loop to run before the connections loop.

Corrected domains to strip example.

Added capability to automatically remove specific email domains from a username, if accidentally provided.

Adding examples for the connection and username specific output object overrides and adjusted the usage of array() to the shorthand array syntax.

Adding support for the connection and username specific output object overrides.

Adding small correction to README

Adding some more notes/details into the README

Adding ignore rule for the log files

Added extra logging support via Monolog.