kerberos

Add kerberos support

Name	Category	Description
serf	net-libs	HTTP client library
s-nail	mail-client	Enhanced mailx-compatible mail client based on Heirloom mailx (nail)
squid	net-proxy	Full-featured web proxy cache
testssl	net-analyzer	Tool to check TLS/SSL cipher support
vscode	app-editors	Multiplatform Visual Studio Code from Microsoft
vscodium	app-editors	A community-driven, freely-licensed binary distribution of Microsoft's VSCode
webdavcgi	www-apps	A Perl CGI for accessing and sharing files, or calendar/addressbooks via WebDAV
wine-staging	app-emulation	Free implementation of Windows(tm) on Unix, with Wine-Staging patchset
wine-vanilla	app-emulation	Free implementation of Windows(tm) on Unix, without external patchsets
wireshark	net-analyzer	Network protocol analyzer (sniffer)
xrootd	net-libs	Extended ROOT remote file server
yafc	net-ftp	Console ftp client with a lot of nifty features