Add github actions for CI

.editorconfig

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+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+charset = utf-8
+indent_style = space
+indent_size = 4

.github/workflows/lint.yml

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+name: Lint & reformat
+
+on:
+  pull_request:
+    branches: ["master"]
+
+  workflow_dispatch:
+
+jobs:
+  reformat:
+    runs-on: ubuntu-latest
+    outputs:
+      reformatting-required: ${{ steps.push-back-to-repo.outputs.modified }}
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          token : ${{ secrets.PAT }}
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.9'
+          cache: 'pip'
+          cache-dependency-path: |
+            **/requirements*.txt
+      - name: Install pip packages
+        run: python3 -m pip install --upgrade autopep8 pycodestyle eradicate
+      - name: Run autopep8
+        run: autopep8 --in-place -aa -r .
+      - name: Remove commented out code
+        run: eradicate --in-place ./**/*.py
+      - name: Push back to repo
+        id: push-back-to-repo
+        uses: anyone-developer/[email protected]
+  lint:
+    runs-on: ubuntu-latest
+    needs: reformat
+    if: needs.reformat.reformatting-required == 0
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.9'
+          cache: 'pip'
+          cache-dependency-path: |
+            **/requirements*.txt
+      - name: Install pip packages
+        run: python3 -m pip install --upgrade pycodestyle
+      - name: Run pycodestyle
+        run: pycodestyle --show-source --show-pep8 ./**/*.py

setup.cfg

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+[pycodestyle]
+max-line-length = 120
+statistics = True
+