(re) added pythonapp workflow

totally untested, but this can be the start of automated build-and-test

.github/workflows/pythonapp.yml

@@ -0,0 +1,31 @@
+name: Python application
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: Set up Python 3.7
+      uses: actions/setup-python@v1
+      with:
+        python-version: 3.7
+
+    - name: Clone repo
+      run: |
+        git clone https://github.com/aceisace/Inky-Calendar
+    - name: Install dependencies and run
+      run: |
+        python -m pip install --upgrade pip
+        cd Inky-Calendar && pip3 install -r requirements.txt
+        ln -s settings/settings.py modules/
+        ln -s settings/configuration.py modules/
+        ls -al
+        cd modules && ls -al
+        python3 inkycal.py
+    - name: Test with pytest
+      run: |
+        pytest