Added link

README.md

@@ -1,4 +1,4 @@
 # stringFromTemplate
 [![Go Report Card](https://goreportcard.com/badge/github.com/pczajkowski/stringFromTemplate)](https://goreportcard.com/report/github.com/pczajkowski/stringFromTemplate)
 
-If there's no string interpolation, one must use what one's got.
+If there's no [string interpolation](https://github.com/golang/go/issues/34174#issue-490738890), one must use what one's got.