README.md in timetree-0.1.5 vs README.md in timetree-0.1.6

- old
+ new
@@ -1,8 +1,10 @@
 # Simple TimeTree APIs client
 
 [![Test](https://github.com/koshilife/timetree-api-ruby-client/workflows/Test/badge.svg)](https://github.com/koshilife/timetree-api-ruby-client/actions?query=workflow%3ATest)
+[![codecov](https://codecov.io/gh/koshilife/tanita-api-ruby-client/branch/master/graph/badge.svg)](https://codecov.io/gh/koshilife/tanita-api-ruby-client)
 [![Gem Version](https://badge.fury.io/rb/timetree.svg)](http://badge.fury.io/rb/timetree)
+[![license](https://img.shields.io/github/license/koshilife/timetree-api-ruby-client)](https://github.com/koshilife/timetree-api-ruby-client/blob/master/LICENSE.txt)
 
 ## About
 
 These client libraries are created for [TimeTree APIs](https://developers.timetreeapp.com/en).
 