Add Github Actions CI

.github/workflows/django.yml

@@ -0,0 +1,38 @@
+name: CI
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      max-parallel: 4
+      matrix:
+        python-version: [3.7]
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install Dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements.txt
+        pip install coveralls pyflakes
+        pip freeze
+    - name: Check formatting
+      run: |
+        ./pyflakes.sh
+    - name: Run tests
+      run: |
+        coverage run --source=signatories manage.py test
+    - name: Submit coverage results
+      run: |
+        coveralls