fix naming of __init.py__ to __init__.py

[estysdesu]

Description

Fix #43 by renaming __init.py__ to __init__.py according to Python documentation on Python packages.

Types of Changes

File rename. That's all.

• [ ] Core
• [x] Bugfix
• [ ] New feature
• [ ] Enhancement/optimization
• [ ] Documentation

Issues Fixed or Closed by This PR

• 43

Checklist

• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have added tests to cover my changes.
• [ ] I have tested the changes and verified that they work and don't break anything (as well as I can manage).

[mre]

Thanks @estysdesu. Big oversight from my side.