Add CI

.github/workflows/ci.yaml

@@ -0,0 +1,31 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v5
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6.5.0
+        with:
+          enable-cache: true
+
+      - name: Install the project
+        run: uv sync --locked --all-extras --dev
+
+      - name: Run formatter
+        run: uv run ruff format --check
+
+      - name: Run linter
+        run: uv run ruff check
+
+      - name: Run tests with coverage
+        run: uv run pytest