[BUG] API: AttributeError bug on `__version__` query

[abhiTronix]

Brief Description

Currently __version__ is not defined in DeFFcode's __init__.py that throws AttributeError: module 'deffcode' has no attribute '__version__' on its query.

Acknowledgment

• [x] I have searched the issues for my issue and found nothing related or helpful.
• [x] I have read the DeFFcode Documentation.
• [x] I have read the DeFFcode Issue Guidelines.

Current Environment

• My DeFFcode version: v0.2.0
• My Python version: all
• My Pip version: all
• My Operating System and its version: all

Expected Behavior

Throws AttributeError: module 'deffcode' has no attribute '__version__'

Actual Behavior

Must return 0.2.0

Possible Fix

Added __version_ import in __init__.py.

Steps to reproduce

Run python3 -c 'import deffcode; print(deffcode.__version__)' in terminal.