Correct founder identity

[Will-thom]

Summary

• Replace the incorrect founder name with the public founder identity, Will-thom.
• Clarify the founder identity in the manifesto.
• Add documentation coverage so the public founder identity remains explicit.

Validation

• go test ./... with repository-local GOCACHE
• rg found no remaining occurrences of the incorrect founder name in public docs/source areas

[github-actions]

Hi @Will-thom, thank you for contributing to PR Maven CLI.

I appreciate the time you spent opening this pull request. This project is intentionally shaped for focused, reviewable open source contributions, so your input helps the tool become more useful for Java and Maven teams.

A maintainer will review the context, labels, and next steps as soon as possible. If this is your first contribution here, welcome aboard.

Useful links:

• Contributing guide: CONTRIBUTING.md
• Testing guide: docs/testing.md
• CI/CD guide: docs/ci.md

Thank you for helping build a deterministic, local-first Maven failure triage tool.