refactor: Structure

[Aleksander-Karlsson]

Description

Include a description of the change done Replace Information class with vectorised inline code in get_completion. Extract all but one method from CreateWells that did not need to be part of the class.

Why

The motivation for the change (if applicable) Easier to manage state and read the code.

How

How the change is implemented (if it's not self evident in the diff)

Close: #85

Checklist:

Before submitting this PR, please make sure:

• [x] I am complying with the contributing doc
• [x] My code builds clean without any errors or warnings
• [x] I have added/extended tests that prove my fix is effective or that my feature works
• [x] I have made corresponding changes to the documentation, and it builds correctly