Add standard format

[eric-eclecticiq]

1. Add black configuration, dep and CI check

2. Add isort configuration, dep and CI check

3. Add commits to black and isort the codebase as skipped by default while blaming

4. Added flake8 error codes to ignore to be compatible with black

   # E203 whitespace before ':'
   # W503 line break before binary operator
   # W504 line break after binary operator
   # E704 multiple statements on one line (def)