add github ci

.github/workflows/main.yml

@@ -0,0 +1,30 @@
+name: react-lib CI
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    types:
+      - opened
+      - synchronize
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out branch
+        uses: actions/checkout@v2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: 16
+          cache: 'yarn'
+
+      - name: Install dependencies
+        run: yarn install
+
+      - name: Run lint
+        run: yarn lint

package.json

@@ -17,7 +17,8 @@
     "start": "yarn run mb watch --no-compress",
     "prepare": "run-s build",
     "test": "run-s test:unit test:lint test:build",
-    "lint": "yarn prettier ./src && eslint --quiet --ext .ts,.tsx ./src/",
+    "lint": "yarn prettier ./src && eslint --ext .ts,.tsx ./src/",
+    "lint:fix": "yarn prettier ./src && eslint --fix --ext .ts,.tsx ./src/",
     "test:build": "run-s build",
     "test:lint": "eslint .",
     "test:unit": "cross-env CI=1 react-scripts test --env=jsdom",