feat: github workflow for running unit tests

.github/workflows/unit-tests.yml

@@ -0,0 +1,19 @@
+name: Unit Tests
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+jobs:
+  test:
+    timeout-minutes: 60
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions/setup-node@v3
+      with:
+        node-version: 16
+    - name: Install dependencies
+      run: npm i --legacy-peer-deps
+    - name: Test Package bruno-lang
+      run: npm run test --workspace=packages/bruno-lang