GitHub action to run tests on PRs

.github/workflows/test.yml

@@ -0,0 +1,23 @@
+name: Toolbelt Tests
+
+on:
+  pull_requst:
+    - main
+
+jobs:
+  tests:
+    name: Tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup node
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: ".nvmrc"
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run tests
+        run: npm run test