add a quick actions ci to see what happens

.github/workflows/tests.yaml

@@ -0,0 +1,51 @@
+name: Tests
+on:
+  push:
+    paths-ignore:
+      - "docs/**"
+      - "*.md"
+      - "*.rst"
+  pull_request:
+    paths-ignore:
+      - "docs/**"
+      - "*.md"
+      - "*.rst"
+jobs:
+  tests:
+    name: ${{ matrix.name }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - { name: Linux, python: "3.12", os: ubuntu-latest, tox: py312 }
+          - { name: Windows, python: "3.12", os: windows-latest, tox: py312 }
+          - { name: Mac, python: "3.12", os: macos-latest, tox: py312 }
+          - { name: "3.11", python: "3.11", os: ubuntu-latest, tox: py311 }
+          - { name: "3.10", python: "3.10", os: ubuntu-latest, tox: py310 }
+          - { name: "3.9", python: "3.9", os: ubuntu-latest, tox: py39 }
+          - { name: "3.8", python: "3.8", os: ubuntu-latest, tox: py38 }
+          - { name: "3.7", python: "3.7", os: ubuntu-latest, tox: py37 }
+          - { name: "PyPy3", python: "pypy-3.9", os: ubuntu-latest, tox: pypy3 }
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python }}
+      - name: update pip
+        run: |
+          pip install -U wheel
+          pip install -U setuptools
+          python -m pip install -U pip
+      - name: get pip cache dir
+        id: pip-cache
+        shell: bash
+        run: |
+          echo "dir=$(pip cache dir)" >> "$GITHUB_OUTPUT"
+      - name: cache pip
+        uses: actions/cache@v4
+        with:
+          path: ${{ steps.pip-cache.outputs.dir }}
+          key: pip|${{ runner.os }}|${{ matrix.python }}|${{ hashFiles('setup.py') }}|${{ hashFiles('requirements/*.txt') }}
+      - run: pip install tox
+      - run: tox -e ${{ matrix.tox }}