modernize (#160)

* add gha, add package-lock, update tap->node-core-test

* docs

Author: juliangruber

.github/workflows/ci.yml

@@ -0,0 +1,18 @@
+name: CI
+on:
+  - push
+  - pull_request
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: ['14', '16', '18']
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node }}
+      - run: npm ci
+      - run: sudo apt-get install xvfb
+      - run: xvfb-run --auto-servernum npm test

.gitignore

@@ -1,5 +1,3 @@
 *.sw*
 node_modules
-static/reporter.js
-.nyc_output/
-package-lock.json
+static/reporter.js

.npmrc

@@ -4,7 +4,7 @@ The easiest way of running code in a browser environment.
 
 Bundles `electronjs` by default!
 
-[![build status](https://secure.travis-ci.org/juliangruber/browser-run.svg)](http://travis-ci.org/juliangruber/browser-run)
+[![CI](https://github.com/juliangruber/browser-run/actions/workflows/ci.yml/badge.svg)](https://github.com/juliangruber/browser-run/actions/workflows/ci.yml)
 [![downloads](https://img.shields.io/npm/dm/browser-run.svg)](https://www.npmjs.org/package/browser-run)
 
 ## Usage