Add a linter workflow to Github Actions

.github/workflows/lint.yml

@@ -0,0 +1,29 @@
+---
+name: Linting
+
+on: [push]
+
+jobs:
+    build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+        matrix:
+        python-version: ['3.6']
+
+    name: Linting
+    steps:
+        - uses: actions/checkout@v2
+        - name: Setup python
+        uses: actions/setup-python@v2
+        with:
+            python-version: ${{ matrix.python-version }}
+            architecture: x64
+        - name: Install dependencies
+        run: |
+            python -m pip install --upgrade pip
+            python -m pip install -r development.txt
+
+        - name: Lint
+        run: make lint