docs: update logo presentation in readme.

[tm91236]

PR Type

• Documentation content changes

Description

Reduce the size of the logo and left align to allow removal of the coreax title (which duplicates the logo).

How Has This Been Tested?

N/A

Does this PR introduce a breaking change?

N/A

Checklist before requesting a review

• I have made sure that my PR is not a duplicate.
• My code follows the style guidelines of this project.
• I have ensured my code is easy to understand, including docstrings and comments where necessary.
• I have performed a self-review of my code.
• I have made corresponding changes to the documentation.
• My changes generate no new warnings.
• New and existing unit tests pass locally with my changes.
• Any dependent changes have been merged and published in downstream modules.
• I have updated CHANGELOG.md, if appropriate.

[github-actions]

Performance review

Commit b45274a - Merge 7a4576c into cd059c5

No significant changes to performance.