ci: run GitHub Actions on Windows (#166)

Author: mxschmitt

.gitattributes

@@ -0,0 +1 @@
+* text=auto eol=lf

.github/workflows/nodejs.yml

@@ -6,9 +6,10 @@ on:
     branches: [ master ]
 jobs:
   build:
-    env:
-      CI: true
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        platform: [ubuntu-latest, windows-latest]
+    runs-on: ${{ matrix.platform }}
     steps:
     - uses: actions/checkout@v2
     - name: Use Node.js
@@ -24,6 +25,7 @@ jobs:
     - name: Install dependencies
       run: npm install
     - name: Install required apt dependencies
+      if: ${{ matrix.platform == 'ubuntu-latest' }}
       run: |
         sudo apt-get update
         sudo apt-get install libgbm-dev
@@ -33,13 +35,7 @@ jobs:
       run: npm run build
     - name: Run tests
       run: npm run test
-    - name: Coveralls Parallel
+    - name: Coveralls
       uses: coverallsapp/github-action@master
       with:
         github-token: ${{ secrets.GITHUB_TOKEN }}
-        parallel: true
-    - name: Coveralls Finished
-      uses: coverallsapp/github-action@master
-      with:
-        github-token: ${{ secrets.GITHUB_TOKEN }}
-        parallel-finished: true