Added SLF and SLOG

README.md

@@ -496,6 +496,8 @@ See [go-hardware](https://github.com/rakyll/go-hardware) for a comprehensive lis
 * [mlog](https://github.com/jbrodriguez/mlog) - A simple logging module for go, with 5 levels, an optional rotating logfile feature and stdout/stderr output.
 * [ozzo-log](https://github.com/go-ozzo/ozzo-log) - High performance logging supporting log severity, categorization, and filtering. Can send filtered log messages to various targets (e.g. console, network, mail).
 * [seelog](https://github.com/cihub/seelog) -   logging functionality with flexible dispatching, filtering, and formatting.
+* [slf](https://github.com/ventu-io/slf) - The Structured Logging Facade (SLF) for Go (like SLF4J but structured and for Go)
+* [slog](https://github.com/ventu-io/slog) - The reference implementation of the Structured Logging Facade (SLF) for Go 
 * [stdlog](https://github.com/alexcesaro/log) - Stdlog is an object-oriented library providing leveled logging. It is very useful for cron jobs.
 * [tail](https://github.com/hpcloud/tail) - A Go package striving to emulate the features of the BSD tail program.
 * [xlog](https://github.com/rs/xlog) - A structured logger for `net/context` aware HTTP handlers with flexible dispatching.