ops(repo): add CI workflow for running tests on pull requests (#11)

* ops(repo): add CI workflow for running tests on pull requests

* fix(repo): test command in CI workflow to use pnpm run all:test

* fix(repo): update Node version in CI workflow to 20.x

* fix(repo): update CI workflow to install dependencies using pnpm

.github/workflows/ci.yaml

@@ -0,0 +1,29 @@
+name: CI
+
+on:
+  - pull_request
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      pull-requests: write
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20.x
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v3
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Test
+        run: pnpm run all:test