Enhancement of "Center of Rotation and Tilt" Documentation

[ashleymeigh2]

Issue

Closes #2414

Description

• Updated the "Center of Rotation and Tilt" documentation to include a more detailed explanation of COR and Tilt concepts, their importance, and how they are calculated.
• Expanded sections on Why COR Matters and Why Tilt Matters to provide clear use cases and context.
• Improved the Manual COR Correction instructions for usability.

Testing

• Confirmed reStructuredText (rst) formatting compliance by rendering the document locally and ensuring proper formatting in the output.
• Reviewed for consistency with the style of other documentation in the repository.

Acceptance Criteria

• Open the rendered documentation file and ensure all sections are well-structured and properly formatted.
• Verify that the descriptions and explanations are clear, particularly:
• The updated definitions of COR and Tilt.

[samtygier-stfc]

Thanks for the clean-ups