Update autograding workflow

Author: github-classroom[bot]

.github/workflows/classroom.yml

@@ -0,0 +1,27 @@
+name: Autograding Tests
+
+on:
+  push:
+  workflow_dispatch:
+  repository_dispatch:
+
+permissions:
+  checks: write
+  actions: read
+  contents: read
+
+jobs:
+  run-autograding-tests:
+    runs-on: ubuntu-latest
+    if: github.actor != 'github-classroom[bot]'
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Run Navigation Test Script
+        run: bash test_navigation.sh  # Runs the custom test script
+
+      - name: Autograding Reporter
+        uses: classroom-resources/autograding-grading-reporter@v1
+        with:
+          runners: navigation-test