Add CI workflow (#190)

* Add CI workflow

Github action to replace Travis CI

* Try adding sudo

actions/setup-node#85 (comment) indicates sudo might help here

* Remove comments + rename file

* Add comment to top of file

.github/workflows/test.yml

@@ -0,0 +1,31 @@
+# Run linting and tests when pushing to master or targeting master in pull requests
+
+name: Test
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [14.x]
+        # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v2
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: sudo yarn global add bolt
+    - run: bolt --frozen-lockfile
+    - run: bolt lint
+    - run: bolt test
+      env:
+        CI: true