Add: GitHub workflow or ci

.github/workflows/pythonpackage.yml

@@ -0,0 +1,34 @@
+# This workflow will install Swap package dependencies, run tests and lint with a variety of Python versions.
+
+name: bip38-workflow
+
+on:
+  push:
+    branches: [
+      master
+    ]
+  pull_request:
+    branches: [
+      master
+    ]
+
+jobs:
+  python:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [
+          "3.9", "3.10", "3.11"
+        ]
+    steps:
+    - uses: actions/checkout@master
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@master
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -e .[tests,docs]
+    - name: Test with pytest
+      run: pytest