Replace travis CI with GitHub action

* first add of GitHub action CI
* replace travis badge with GH action's one
* use coveralls github action instead of custom script

Author: n-peugnet

.github/workflows/build.yml

@@ -0,0 +1,33 @@
+# This workflow will do a clean installation of node dependencies, cache/restore them, build the source code and run tests across different versions of node
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-nodejs
+
+name: build
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  build:
+
+    strategy:
+      matrix:
+        node-version: [10.x, 12.x, 14.x, 16.x, 18.x, 20.x]
+        # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v3
+      with:
+        node-version: ${{ matrix.node-version }}
+        # Can not use cache as package-lock.json is not commited in Git
+        # cache: 'npm'
+    - run: npm install
+    - run: npm run test-ci
+    - name: Coveralls
+      uses: coverallsapp/github-action@v2

.travis.yml

@@ -1,6 +1,6 @@
 # yazl
 
-[![Build Status](https://travis-ci.com/thejoshwolfe/yazl.svg?branch=master)](https://travis-ci.com/thejoshwolfe/yazl)
+[![Build Status](https://github.com/thejoshwolfe/yazl/actions/workflows/build.yml/badge.svg)](https://github.com/thejoshwolfe/yazl/actions/workflows/build.yml)
 [![Coverage Status](https://coveralls.io/repos/github/thejoshwolfe/yazl/badge.svg?branch=master)](https://coveralls.io/github/thejoshwolfe/yazl?branch=master)
 
 yet another zip library for node. For unzipping, see

README.md

@@ -6,7 +6,7 @@
   "scripts": {
     "test": "node test/test.js",
     "test-cov": "istanbul cover test/test.js",
-    "test-travis": "istanbul cover --report lcovonly test/test.js"
+    "test-ci": "istanbul cover --report lcovonly test/test.js"
   },
   "repository": {
     "type": "git",