add orchestrator file

.github/workflows/orchestrator.yaml

@@ -0,0 +1,28 @@
+name: langton-ant
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.12"]
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        pip install -r requirements.txt
+    - name: Run ruff
+      run: |
+        make ruff
+    - name: Run unit tests
+      run: |
+        pytest