Set up automated linting and testing.

.github/workflows/CI.yml

@@ -0,0 +1,33 @@
+name: Tests
+
+on:
+  - push
+  - pull_request
+
+jobs:
+  lint_and_test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.7", "3.9", "3.10", "3.11"]
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install flake8
+    - name: Lint with flake8
+      run: |
+        # stop the build if there are Python syntax errors or undefined names
+        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=100 --statistics
+    - name: Test with unittest
+      run: |
+        cd test
+        python -m unittest test.py

README.md

@@ -1,4 +1,4 @@
-# detect-indent-py
+# detect-indent for Python [![Test](https://github.com/Ethan-Vanderheijden/detect-indent-py/actions/workflows/CI.yml/badge.svg)](https://github.com/Ethan-Vanderheijden/detect-indent-py/actions/workflows/CI.yml)
 Python port of
 [sindresorhus/detect-indent](https://github.com/sindresorhus/detect-indent) All
 attribution goes to that project.