Add code linter and it's GitHub action

[vj-codes]

To maintain consistency of code, add a code linter like black and it's GitHub action to check if it's properly formatted when a pull request is created

[vj-codes]

@techgaun hey what do you think about this issue?
I would like to work on it if approved:)

[techgaun]

yup @vj-codes this would be a great addition for sure. you can have it.

[harshalchaudhari35]

@techgaun is this still open? As I don't see much traction, I can pick this is up if still available.

[vj-codes]

@harshalchaudhari35 sorry I'm interested to work on it, will create a PR soon:)

[harshalchaudhari35]

@vj-codes ok good luck