docs: added documentation on how to use from_signature method

[Aviksaikat]

What I did

fixes: #131

How I did it

How to verify it

Checklist

• [x] Passes all linting checks (pre-commit and CI jobs) - [ ] New test cases have been added and are passing
• [x] Documentation has been updated
• [x] PR title follows Conventional Commit standard (will be automatically included in the changelog)