Add GitHub Actions CI (#8)

Author: AbhyudayaSharma

.github/workflows/nodejs.yml

@@ -0,0 +1,36 @@
+name: Node.js CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    env:
+      CI: true
+
+    runs-on: ${{ matrix.os }}
+
+    # TODO: enable builds on Windows
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macOS-latest]
+        node-version: [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 }}
+    - name: Setup Git for committing
+      run: |
+        git config --global user.name "GitHub Actions"
+        git config --global user.email "gh-actions@domain"
+    - run: npm ci
+      name: Run NPM clean install
+    - name: Run tests
+      shell: pwsh
+      run: ./test/GitInfoTest.ps1