Update README

huangjunwen · huangjunwen · commit 2086b4ca6a3d · 2020-06-28T07:31:11.000+08:00
diff --git a/README.md b/README.md
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 # golibs
+
+[![GoDoc](https://godoc.org/github.com/huangjunwen/golibs?status.svg)](http://godoc.org/github.com/huangjunwen/golibs)
+
 My go utilities library
 
 ## package list
 
 - sqlh: sql helpers
+- taskrunner: worker pool to control resource usage and implements graceful shutdown
