Add CI linting and checker workflow

Author: question429

.github/workflows/lint-and-check.yml

@@ -0,0 +1 @@
+name: Lint and Check\n\ndon't.color: Manual\n\njobs:\n  lint_and_check:\n    runs-on: ubuntu-latest\n    steps:\n      - name: Checkout code\n        uses: actions/checkout@v2\n      - name: Set up Node.js\n        uses: actions/setup-node@v2\n        with:\n          node-version: '14'\n      - name: Install dependencies\n        run: npm install\n      - name: Run linter\n        run: npm run lint\n      - name: Run tests\n        run: npm test\n