🐛 Fixed AttributeError bug on `__version__` query (Fixes #10)

[abhiTronix]

Brief Description

This PR fixes AttributeErrorbug on __version__ query.

Requirements / Checklist

• [x] I have read the DeFFcode PR Guidelines.
• [x] I have read the DeFFcode Documentation.
• [x] I have updated the documentation files accordingly(if required).

Related Issue

10

Context

This PR fixes __version__ not defined in DeFFcode's __init__.py that throws AttributeError: module 'deffcode' has no attribute '__version__' on query.

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)