Merge pull request #22 from s-shin/github_actions_badge

Add GitHub Actions' badge.

.semaphore/semaphore.yml

@@ -17,9 +17,9 @@ blocks:
             - cache store node_modules
             - yarn test-with-cov
       env_vars: []
-      epilogue:
-        on_pass:
-          commands:
-            - 'bash <(curl -s https://codecov.io/bash)'
+      # epilogue:
+      #   on_pass:
+      #     commands:
+      #       - 'bash <(curl -s https://codecov.io/bash)'
       secrets:
         - name: hiryu_secrets

README.md

@@ -1,8 +1,6 @@
 # Hiryu - a modern shogi toolkit
 
-
-
-[![Build Status](https://s-shin.semaphoreci.com/badges/hiryu.svg)](https://s-shin.semaphoreci.com/projects/hiryu)
+[![Node CI](https://github.com/s-shin/hiryu/workflows/Node%20CI/badge.svg)](https://github.com/s-shin/hiryu/actions?query=workflow%3A%22Node+CI%22)
 [![codecov](https://codecov.io/gh/s-shin/hiryu/branch/master/graph/badge.svg)](https://codecov.io/gh/s-shin/hiryu)
 
 Demo: https://s-shin.github.io/hiryu/releases/sandbox-app/