Switched from Travis CI to GitHub Actions

Author: stevenvachon

.github/workflows/tests.yml

@@ -0,0 +1,25 @@
+name: tests
+on: [push, pull_request]
+
+jobs:
+  test:
+
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        node-version: [14, 15]
+        os: [ubuntu-latest]
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - name: npm install, build, and test
+      run: |
+        npm install
+        npm run ci
+      env:
+        CI: true
+        COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}

.travis.yml

@@ -1,4 +1,4 @@
-# broken-link-checker [![NPM Version][npm-image]][npm-url] [![Build Status][travis-image]][travis-url] [![Coverage Status][coveralls-image]][coveralls-url] [![Dependency Monitor][greenkeeper-image]][greenkeeper-url]
+# broken-link-checker [![NPM Version][npm-image]][npm-url] ![Build Status][ci-image] [![Coverage Status][coveralls-image]][coveralls-url] [![Dependency Monitor][greenkeeper-image]][greenkeeper-url]
 
 > Find broken links, missing images, etc within your HTML.
 
@@ -446,8 +446,7 @@ Finally, **it is important** to analyze links excluded with the `BLC_UNSUPPORTED
 
 [npm-image]: https://img.shields.io/npm/v/broken-link-checker.svg
 [npm-url]: https://npmjs.org/package/broken-link-checker
-[travis-image]: https://img.shields.io/travis/stevenvachon/broken-link-checker.svg
-[travis-url]: https://travis-ci.org/stevenvachon/broken-link-checker
+[ci-image]: https://img.shields.io/github/workflow/status/stevenvachon/broken-link-checker/tests
 [coveralls-image]: https://img.shields.io/coveralls/stevenvachon/broken-link-checker.svg
 [coveralls-url]: https://coveralls.io/github/stevenvachon/broken-link-checker
 [greenkeeper-image]: https://badges.greenkeeper.io/stevenvachon/broken-link-checker.svg