chore: ci workflow 추가

.github/actions/pnpm-setup-node/action.yml

@@ -0,0 +1,11 @@
+name: setup pnpm & node
+description: setup pnpm & node
+runs:
+  using: composite
+  steps:
+    - uses: pnpm/action-setup@v4
+    - uses: actions/setup-node@v4
+      with:
+        cache: 'pnpm'
+        cache-dependency-path: 'pnpm-lock.yaml'
+        node-version-file: '.nvmrc'

.github/ci.yml

@@ -0,0 +1,36 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    types: [opened, synchronize, reopened]
+env:
+  CI: ${{ vars.CI }}
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    name: Run Tests
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: pnpm-setup-node
+        uses: ./.github/actions/pnpm-setup-node
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Run Lint
+        run: pnpm lint
+
+      - name: Run Tests
+        run: pnpm test
+
+      - name: Run Build
+        run: pnpm build