Add reference to readme

README.md

@@ -1,4 +1,4 @@
-# go-await  [![](https://github.com/bayraktugrul/go-await/workflows/build/badge.svg)](https://github.com/bayraktugrul/go-await/actions) [![](https://img.shields.io/badge/License-MIT-yellow.svg)](https://img.shields.io/badge/License-MIT-yellow.svg)
+# go-await [![go-doc][doc-img]][doc] [![][workflow-badge]][workflow-actions] [![][license-badge]][license]
 
 go-await lets you use to synchronize async operations. It is inspired from popular Java library 'awaitility [https://github.com/awaitility/awaitility]'
 
@@ -68,3 +68,12 @@ if err != nil {}
 ## Credits
 
 * [Tuğrul Bayrak](https://github.com/bayraktugrul)
+
+[doc-img]: https://godoc.org/github.com/bayraktugrul/go-await?status.svg
+[doc]: https://godoc.org/github.com/bayraktugrul/go-await
+
+[workflow-actions]: https://github.com/bayraktugrul/go-await/actions
+[workflow-badge]: https://github.com/bayraktugrul/go-await/workflows/build/badge.svg
+
+[license]:https://github.com/bayraktugrul/go-await/blob/main/LICENSE
+[license-badge]:https://img.shields.io/badge/License-MIT-blue.svg