👷 Add Lint on PR Workflow

.github/workflows/lint-on-pr.yml

@@ -0,0 +1,19 @@
+name: Lint package on pull request
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 14
+      - run: yarn install
+      - run: yarn lint