[twsocket] Minor omission fixed for improved Web-server operation

Hi, everybody, I propose a little but important fix for web-server component implementation. In the module OverbyteIcsHttpSrv.pas, in the function DocumentToContentType, just before the default latest clause with else Result := 'application/binary'; there should be added the followin

Re: [twsocket] Minor omission fixed for improved Web-server operation

> In the module OverbyteIcsHttpSrv.pas, in the function > DocumentToContentType This function is now obsolete, the latest versions of the web server use the new TMimeTypesList component which takes mapping from the Windows classes registry, from a file or allows you to add your own extra MIME typ