Merge pull request #5 from square/add_ci

adding in ci for protection

.github/workflows/ci.yaml

@@ -0,0 +1,22 @@
+name: CI
+
+on:
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Install UV
+      run: curl -LsSf https://astral.sh/uv/install.sh | sh
+
+    - name: Source Cargo Environment
+      run: source $HOME/.cargo/env
+
+    - name: Run tests
+      run: |
+        uv run pytest tests -m 'not integration'