ci: add GitHub Actions workflow to run unit tests

Author: DanielF-Cardoso

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

@@ -0,0 +1,20 @@
+name: Run Unit Tests
+
+on: [push]
+
+jobs: 
+    run-unit-tests:
+        name: Run Unit Tests
+        runs-on: ubuntu-latest
+
+        steps:
+            - uses: actions/checkout@v4
+
+            - uses: actions/setup-node@v4
+              with:
+                node-version: 22
+                cache: 'npm'
+
+            - run: npm ci
+
+            - run: npm run test