Updated README to include tls
Updated README to include tls

Updated the first example to include the `+tls` both as a best practice TLDR and to demonstrate how to use the optional transports.
gliderlabs/logspout,jbachus/logspout,jacobdr/logspout,lytics/logspout,bn0ir/logspout,jacobdr/logspout,gliderlabs/logspout,saiwl/logspout,jbachus/logspout,lytics/logspout,bn0ir/logspout,saiwl/logspout