add CI action

.github/workflows/ci.yml

@@ -0,0 +1,32 @@
+name: CI
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  ci:
+    name: CI
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@v4
+        with:
+          # This makes Actions fetch all Git history so that Changesets can generate changelogs with the correct commits
+          fetch-depth: 0
+
+      - name: Setup PNPM
+        uses: pnpm/action-setup@v3
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 18
+          cache: "pnpm"
+
+      - name: Install Dependencies
+        run: pnpm i
+
+      - name: Run Tests
+        run: pnpm run test