Migrate to GitHub Actions

Author: matteodelabre

.github/workflows/node.yml

@@ -0,0 +1,18 @@
+name: test
+on: [push]
+jobs:
+    build:
+        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@v1
+              with:
+                node-version: ${{ matrix.node-version }}
+            - run: npm ci
+            - run: npm test
+              env:
+                CI: true