adds ci workflow

Author: dapeduu

.github/workflows/ci.yaml

@@ -0,0 +1,47 @@
+name: Build and Test SearchAPI.io n8n node
+
+on:
+  pull_request:
+    branches:
+      - '*'
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    env:
+      CI: true
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - uses: pnpm/action-setup@v3
+        name: Install pnpm
+        with:
+          run_install: false
+
+      - name: Install Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: "package.json"
+          cache: pnpm
+          registry-url: https://registry.npmjs.org
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Lint
+        run: pnpm lint
+
+      - name: Build
+        run: pnpm build
+