Add Github action to run pylint

- 120 character line length limit
- Disable all recommendations

.github/workflows/pylint.yml

@@ -0,0 +1,18 @@
+name: Pylint
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+    container:
+      image: python:2.7.18-buster
+    steps:
+    - uses: actions/checkout@v4
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install pylint
+    - name: Analysing the code with pylint
+      run: |
+        pylint --max-line-length 120 --disable=R $(git ls-files '*.py')