Add logdump package (#1261)

README.md

@@ -556,6 +556,7 @@ See [go-hardware](https://github.com/rakyll/go-hardware) for a comprehensive lis
 * [log](https://github.com/go-playground/log) - Simple, configurable and scalable Structured Logging for Go.
 * [log-voyage](https://github.com/firstrow/logvoyage) - Full-featured logging saas written in golang.
 * [log15](https://github.com/inconshreveable/log15) - Simple, powerful logging for Go
+* [logdump](https://github.com/ewwwwwqm/logdump) - Package for multi-level logging
 * [logex](https://github.com/chzyer/logex) - An golang log lib, supports tracking and level, wrap by standard log lib
 * [logger](https://github.com/azer/logger) - Minimalistic logging library for Go.
 * [logrus](https://github.com/Sirupsen/logrus) - a structured logger for Go.