Add master branch workflow

.github/workflows/master.yml

@@ -0,0 +1,33 @@
+name: Python package
+
+on:
+  push:
+    branches:
+      - develop
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.8, 3.7, 3.6, 3.5]
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          lfs: true
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+      - name: Lint, flake8 and bandit
+        run: |
+          make lint
+      - name: pytest
+        run: |
+          make test