Add GitHub Actions as Continuos Integration provider (#463)

.github/workflows/workflow.yml

@@ -0,0 +1,24 @@
+name: Build Status
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [10.x, 12.x, 14.x]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: npm install
+    - run: npm run lint
+    - run: npm test
+      env:
+        CI: true

README.md

@@ -1,6 +1,6 @@
 Passport-SAML
 =============
-[![Build Status](https://travis-ci.org/bergie/passport-saml.svg?branch=master)](https://travis-ci.org/bergie/passport-saml) [![GitHub version](https://badge.fury.io/gh/node-saml%2Fpassport-saml.svg)](https://badge.fury.io/gh/node-saml%2Fpassport-saml) [![npm version](https://badge.fury.io/js/passport-saml.svg)](http://badge.fury.io/js/passport-saml) [![NPM](https://nodei.co/npm/passport-saml.png?downloads=true&downloadRank=true&stars=true)](https://nodei.co/npm/passport-saml/)
+[![Build Status](https://github.com/node-saml/passport-saml/workflows/Build%20Status/badge.svg)](https://github.com/node-saml/passport-saml/actions?query=workflow%3ABuild%Status) [![GitHub version](https://badge.fury.io/gh/node-saml%2Fpassport-saml.svg)](https://badge.fury.io/gh/node-saml%2Fpassport-saml) [![npm version](https://badge.fury.io/js/passport-saml.svg)](http://badge.fury.io/js/passport-saml) [![NPM](https://nodei.co/npm/passport-saml.png?downloads=true&downloadRank=true&stars=true)](https://nodei.co/npm/passport-saml/)
 
 This is a [SAML 2.0](http://en.wikipedia.org/wiki/SAML_2.0) authentication provider for [Passport](http://passportjs.org/), the Node.js authentication library.