replace travis with github actions

.github/workflows/node.js.yml

@@ -1,7 +1,7 @@
 # This workflow will do a clean install of node dependencies, build the source code and run tests across different versions of node
 # For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
 
-name: Node.js CI
+name: Build CI
 
 on:
   push:

README.md

@@ -1,6 +1,6 @@
 # vue-git-comment
 
-[![npm][npm_image]][npm_url] [![travis][travis_image]][travis_url] [![gzip][gzip_image]][gzip_url] [![license][license_image]][npm_url]
+[![npm][npm_image]][npm_url] [![Github Actions][actions_image]][actions_url] [![gzip][gzip_image]][gzip_url] [![license][license_image]][npm_url]
 
 这是一个基于 `github issues` 和 `vue` 的纯前端评论组件，不需要服务端。
 
@@ -123,8 +123,8 @@ gitalk 我也特地去了解了一哈，也是非常优秀的一个项目。但
 
 [npm_image]: https://img.shields.io/npm/v/vue-git-comment.svg
 [npm_url]: https://www.npmjs.com/package/vue-git-comment
-[travis_image]: https://img.shields.io/travis/com/shalldie/vue-git-comment
-[travis_url]: https://travis-ci.com/shalldie/vue-git-comment
+[actions_image]: https://github.com/shalldie/vue-git-comment/actions/workflows/node.js.yml/badge.svg
+[actions_url]: https://github.com/shalldie/vue-git-comment/actions
 [gzip_image]: https://img.badgesize.io/https://cdn.jsdelivr.net/npm/[email protected]/dist/vue-git-comment.umd.min.js?compression=gzip
 [gzip_url]: https://cdn.jsdelivr.net/npm/[email protected]/dist/vue-git-comment.umd.min.js
 [license_image]: https://img.shields.io/npm/l/vue-git-comment.svg