add go report card

MetalBlueberry · MetalBlueberry · commit 460c1509c1e7 · 2020-05-14T19:06:52.000+02:00
diff --git a/README.md b/README.md
@@ -1,3 +1,4 @@
+[![Go Report Card](https://goreportcard.com/badge/github.com/MetalBlueberry/go-plotly)](https://goreportcard.com/report/github.com/MetalBlueberry/go-plotly)
 # go-plotly
 
 Inspired by [Python Plotly](https://plotly.com/python/creating-and-updating-figures/)

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,4 @@`
	`1`	`+[![Go Report Card](https://goreportcard.com/badge/github.com/MetalBlueberry/go-plotly)](https://goreportcard.com/report/github.com/MetalBlueberry/go-plotly)`
`1`	`2`	`# go-plotly`
`2`	`3`
`3`	`4`	`Inspired by [Python Plotly](https://plotly.com/python/creating-and-updating-figures/)`