Added workflow test.yml to Github Actions

.github/workflows/test.yml

@@ -0,0 +1,16 @@
+name: Unit Tests
+
+permissions:
+  contents: read
+
+on: [push]
+
+jobs:
+    tests:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v4
+            - name: Test with shunit2 
+              uses: sudo-bot/action-shunit2@latest
+              with:
+                  cli: "./tests/test_ada.sh"