Unit scaling Feature

[Yemeen]

Description

Added unit scaling to coordinates and a center function

Motivation and Context

Requested in #19

How has this been tested?

added unit tests for rescaling and finding the center

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• [x ] New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist

• [ x] My code follows the code style of this project. (make clean)
• [ x] My change requires a change to the documentation.
• [ x] I have updated the documentation accordingly. (make html)
• [ x] I have incremented the version number in the pyproject.toml file.
• [ x] I have added tests to cover my changes.
• [ x] All new and existing tests passed. (make tests)

[lizliz]

Fabulous!