add linters

[mahf708]

name: lint

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]
  merge_group:
    branches: [ main ]

jobs:
  linting:

    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
         linter: ["flake8", "pylint"]

    steps:
    - uses: actions/checkout@v4
    
    - name: Set up Python 3.12
      uses: actions/setup-python@v5.5.0
      with:
        python-version: "3.12"
        cache: 'pip' # caching pip dependencies
        
    - name: Install dependencies
      run: |
        python -m pip install pytest ${{ matrix.linter }}
        python -m pip install .

    -
      if: ${{ matrix.linter == 'flake8' }}
      name: Lint with flake8
      run: |
        flake8 . --config .github/.flake8

    -
      if: ${{ matrix.linter == 'pylint' }}
      name: Lint with pylint
      run: |
        pylint $(find cacts/ -name "*.py" | xargs)

[mahf708]

@bartgol

[bartgol]

I saw the workflow you introduced in #12 (I think), but to keep it simple I just used pylint, without flake8. I don't really know the differences, but wanted to keep it simple for now. If you think there's value in adding flake8 too, we can add it back.