feat(auth): Added username and password based basic authentication

[smrutis1]

• Added a new credentials provider for basic authentication with backend.
• Ref Issue: Basic authentication with backend #287

[smrutis1]

This is what my .env file look like

[heliocastro]

LGTM

[heliocastro]

@smrutis1 You didn't have a gpg signing. Read this carefully
https://docs.github.com/en/authentication/managing-commit-signature-verification/about-commit-signature-verification

[heliocastro]

I cosigned and merged your branch, closing the PR.
@ag4ums Please verify in the future if all your devs are properly set with GPG keys and their git sign in environments