chore: ci action 추가

.github/workflows/ci.yml

@@ -0,0 +1,40 @@
+name: CI
+
+on: [push]
+
+jobs:
+  build:
+    name: CI
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: ["12", "14"]
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Setup node ${{ matrix.node-version }}
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Install yarn
+        run: npm install -g yarn
+
+      - name: Install the project dependencies
+        run: yarn install
+
+      - name: Prettier check
+        run: yarn prettier
+
+      - name: Lint check
+        run: yarn lint
+
+      - name: Stylelint check
+        run: yarn lint:css
+
+      - name: Type check
+        run: yarn type-check

package.json

@@ -9,6 +9,7 @@
     "lint": "next lint",
     "lint:css": "stylelint --ignore-path .gitignore '**/*.scss'",
     "prettier": "prettier --write **/*.{ts,tsx}",
+    "type-check": "tsc --noEmit",
     "storybook": "storybook dev -p 6006 -s ./public",
     "build-storybook": "storybook build -s ./public",
     "test-storybook": "test-storybook",