Add GitHub Actions workflows

Author: cb109

.github/workflows/pytest.yml

@@ -0,0 +1,21 @@
+name: Run pytest
+
+on:
+  push:
+    branches:
+      - '**'
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+      - name: Install uv
+        run: curl -LsSf https://astral.sh/uv/install.sh | sh
+      - name: Run pytest
+        run: uv run pytest

.github/workflows/tox.yml

@@ -0,0 +1,20 @@
+name: Run tox
+
+on:
+  workflow_dispatch:
+    # Manual trigger only
+
+jobs:
+  tox:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+      - name: Install uv
+        run: curl -LsSf https://astral.sh/uv/install.sh | sh
+      - name: Run tox
+        run: uv run tox