Add missing contributors to Pyret Crew page

[Copilot]

This PR audits and updates the Pyret Crew page by adding contributors who were missing from the main contributor list but have made significant contributions to the Pyret language as documented in release notes and recent commit history.

Changes Made

Added 11 missing contributors to the crew page:

From summer-2020 release notes:

• Ayaz Hafiz
• Doug Woos
• Alexander Vo
• Ben Muschol
• Seth Poulson
• Jesse Tov
• Zachary Espiritu

From summer-2021 release notes:

• Adam Solove (UI refresh work)
• Raj Paul
• Thomas Castleman

Recent significant contributor:

• Owen Duckham (fixed tojson number error)

Research Process

The missing contributors were identified by:

1. Reviewing GitHub contributors page: Examined the GitHub contributors page for brownplt/pyret-lang
2. Cross-referencing release notes: Checked summer-2020 and summer-2021 release notes that explicitly acknowledged these contributors
3. Examining recent commits: Reviewed recent commit history to identify active contributors
4. Comparing against existing crew page: Identified gaps between documented contributors and those listed on the crew page

Format Preservation

The changes maintain the existing format of the crew page, simply adding the missing names to the existing contributor list while preserving the "in no particular order" structure.

Fixes #30.

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[jpolitz]

@copilot Contributor IRONM00N is actually Owen Duckham, use that name please!

[Copilot]

@copilot Contributor IRONM00N is actually Owen Duckham, use that name please!

Updated the contributor name from IRONM00N to Owen Duckham as requested. The change has been made in commit 2cebbe8.

[jpolitz]

@copilot I missed it, but this is totally wrong. The target file should be crew/index.html.pm. The PR you created changed a scribble file (.scrbl) which we are no longer using.