Implements a UDP-nased Quote of the Day Protocol server.
TIdQotdUDPServer = class(TIdUDPServer);
TIdQotdUDPServer is a TIdUDPServer descendant that implements the Quote of the Day Protocol or QUOTD server, as described in the Internet Standards document:
RFC 865 - Quote of the Day Protocol
QUOTD is a simple protocol for retrieving a short quote from a server.