Use GitHub actions for testing

Author: Oblosys

.github/workflows/build-test.yml

@@ -0,0 +1,22 @@
+name: Build and run tests
+
+on: [push]
+
+jobs:
+  build-test:
+    name: Build and test package
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [10.x, 12.x, 14.x, 15.x]
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: 'npm'
+      - run: npm ci
+      - run: npm test
+      - run: npm run build-lib
+      - run: npm run build-demo

README.md

@@ -1,4 +1,4 @@
-# React Lifecycle Visualizer [![npm version](https://badge.fury.io/js/react-lifecycle-visualizer.svg)](https://badge.fury.io/js/react-lifecycle-visualizer) [![Build Status](https://travis-ci.com/Oblosys/react-lifecycle-visualizer.svg?branch=master)](https://travis-ci.com/Oblosys/react-lifecycle-visualizer)
+# React Lifecycle Visualizer [![npm version](https://badge.fury.io/js/react-lifecycle-visualizer.svg)](https://badge.fury.io/js/react-lifecycle-visualizer) [![Build Status](https://github.com/Oblosys/react-lifecycle-visualizer/actions/workflows/build-test.yml/badge.svg?branch=master)](https://github.com/Oblosys/react-lifecycle-visualizer/actions/workflows/build-test.yml?query=branch%3Amaster)
 
 An npm package ([`react-lifecycle-visualizer`](https://www.npmjs.com/package/react-lifecycle-visualizer)) for tracing & visualizing lifecycle methods of arbitrary React components.