chore: add CI workflow for continuous integration and validation

Author: O2sa

.github/workflows/ci.yml

@@ -0,0 +1,61 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+      - develop
+      - "feat/**"
+      - "fix/**"
+      - "chore/**"
+  pull_request:
+    branches:
+      - main
+      - develop
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ci-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  validate:
+    name: Validate (Node ${{ matrix.node-version }})
+    runs-on: ubuntu-latest
+    timeout-minutes: 20
+    strategy:
+      fail-fast: false
+      matrix:
+        node-version: ["20.x"]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          run_install: false
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: pnpm
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Type check
+        run: pnpm exec tsc --noEmit
+
+      - name: Lint
+        run: pnpm lint
+
+      - name: Test
+        run: pnpm test -- --run
+
+      - name: Build
+        run: pnpm build