CREATE .github/workflows/app.yml - add initial github action workflow…

… file

.github/workflows/app.yml

@@ -0,0 +1,23 @@
+name: Python App CI/CD
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python 3.10
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.10
+    - name: Install dependencies
+      run: poetry install
+    - name: Test with pytest
+      run: poetry run pytest