Add linting actions job

.github/workflows/lint.yml

@@ -0,0 +1,38 @@
+name: Lint
+
+on:
+  push:
+    branches: [development]
+  pull_request:
+    branches: [development]
+  workflow_dispatch:
+
+jobs:
+
+  build:
+    name: Lint
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@master
+      - name: Set up Python 3.x
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.x'
+          architecture: 'x64'
+      - name: dependencies
+        run: |
+          python -m pip install -U pip wheel setuptools
+      - name: wheel
+        run: |
+          python -m pip install -e .[tests]
+      - name: flake8
+        run: |
+          flake8 pytiled_parser
+      - name: mypy
+        run: |
+          mypy pytiled_parser
+      - name: black
+        run: |
+          black pytiled_parser --check
+