Configure black formatting in the repository

[sachintom999]

• Added black formatting configuration across the repository
• black formatting can be invoked by running black . from the root directory

References

• Python versions
• Line length as 79

Configure black in VS Code

• Install the black extension
• Add the below line to VS Code settings.json as mentioned here

  "black-formatter.args": ["--line-length", "79"]

[dogukanteber]

Thank you for your contribution @sachintom999. As I mentioned in this pull request, I delayed the review of this pull request. Right now, it is ready to merge since I wrote contributing guidelines. However, it seems that there is a conflict. Can you resolve the conflict?

Additionally, can you modify the commit messages to include an appropriate tag?

Thanks!

[sachintom999]

@dogukanteber I have resolved the conflicts. Please review

[dogukanteber]

Thank youu!