Enable CI for the project

Author: jotamorais

.github/workflows/nodejs.yml

@@ -0,0 +1,22 @@
+name: Node.js CI
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [8.x, 10.x, 12.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 test
+        env:
+          CI: true

.travis.yml

@@ -1,6 +1,8 @@
 language: node_js
 node_js:
   - stable
+  - 12
+  - 10
   - 8
 
 after_success: