Add cover.run

Author: johnteee

README.md

@@ -2,6 +2,7 @@
 
 [![tag](https://img.shields.io/github/tag/TeaEntityLab/fpGo.svg)](https://github.com/TeaEntityLab/fpGo)
 [![Go Report Card](https://goreportcard.com/badge/github.com/TeaEntityLab/fpGo)](https://goreportcard.com/report/github.com/TeaEntityLab/fpGo)
+[![cover.run](https://cover.run/go/github.com/TeaEntityLab/fpGo.svg?style=flat&tag=golang-1.10)](https://cover.run/go?tag=golang-1.10&repo=github.com%2FTeaEntityLab%2FfpGo)
 [![GoDoc](https://godoc.org/github.com/TeaEntityLab/fpGo?status.svg)](https://godoc.org/github.com/TeaEntityLab/fpGo)
 
 [![license](https://img.shields.io/github/license/TeaEntityLab/fpGo.svg?style=social&label=License)](https://github.com/TeaEntityLab/fpGo)