ci: add workflows

.github/workflows/test.yaml

@@ -0,0 +1,38 @@
+name: Run tests only
+
+on:
+  push:
+    branches:
+      - '*'
+  workflow_call:
+
+env:
+  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - name: 🔀 checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: 🐍 python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.x'
+
+      - name: 📦 setup pdm
+        uses: pdm-project/setup-pdm@v4
+        with:
+          cache: true
+
+      - name: 📦 install dependencies
+        run: |
+          pdm install
+
+      - name: 🧪 run tests
+        id: test
+        run: |
+          pdm run pytest -v