chore: implement basic tests

Signed-off-by: Sebastian Krupinski <krupinski01@gmail.com>

.github/workflows/js-unit-tests.yml

@@ -0,0 +1,23 @@
+name: JS Unit Tests
+
+on:
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6.0.2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v6.2.0
+        with:
+          node-version: '24'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run tests
+        run: npm run test:unit