Adds tests github workflow pipeline

.github/workflows/tests.yaml

@@ -0,0 +1,22 @@
+---
+name: Python tests
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        format: ["basic", "yaml", "hcl"]
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python }}
+      - name: Install tox and any other packages
+        run: pip install tox
+      - name: Run tox
+        run: tox -e py-${{ matrix.format }}

README.md

@@ -3,7 +3,7 @@ confight
 
 [![PyPI](https://img.shields.io/pypi/v/confight.svg)](https://pypi.org/project/confight/)
 ![PyPI - Python Version](https://img.shields.io/pypi/pyversions/confight.svg)
-[![Build Status](https://travis-ci.org/Avature/confight.svg?branch=master)](https://travis-ci.org/Avature/confight)
+![Build Status](https://github.com/Avature/confight/actions/workflows/tests.yaml/badge.svg)
 
 One simple way of parsing configs