Setup python lint

[abose]

lint wiki: https://pybuilder.io/documentation/plugins#linting-python-sources

• [ ] Use flake8 plugin to enable linter. Verify Flake8 confirms by pep8 standards.
• [ ] Is it possible to enable pylint/pychecker/flake8 all in the same project build?
• [ ] Enable Pychecker plugin http://pychecker.sourceforge.net/
• [ ] Enable pylint https://www.pylint.org/
• [ ] Break build on lint errors.
• [ ] Update readme.md with build scripts.

[Ushmajit]

Flake8 integration done : https://github.com/aicore/Template-PythonProject/pull/38 . Todo : Add lint check in github workflow https://github.com/aicore/Template-PythonProject/blob/main/.github/workflows/build-verify.yml