[Bounty: 23 USDC] Create contributors webpage at /contributors

[lushan888]

Summary

This PR creates the contributors webpage at /contributors (docs/contributors.html), as specified in issue #1580.

What's included

✅ Hero section

• Factory-themed SVG background with goose workers and conveyor belt
• Corporate-friendly hero with golden egg decorations
• Title: "Our Geese 🦢✨" with subtitle

✅ 28 contributor profiles

• Every GitHub user who has created PRs into this repository (excluding C-Suite members)
• Each has a dedicated section with:
  • Unique goose SVG portrait — each goose has different eye shape, head color, uniform color, and expression
  • GitHub profile link
  • Job title (from employees.yaml or inferred from context)
  • Company town address (from employees.yaml)
  • Small golden egg decoration on each card

✅ Golden egg decorations

• 5 large golden eggs on the hero section
• Small golden egg on each contributor card
• All eggs use CSS radial gradients for realistic gold appearance

✅ Easter egg game

• Golden Egg Hunt — click to find 12 golden eggs hidden in a round nest
• Score tracking and win message
• "New Game" button to reset

✅ Number 71

• Exactly 71 instances of the number 71 scattered across the page as fixed-position elements
• Different sizes (8-20px) and opacity levels (0.03-0.075)

✅ Footer

• C-Suite contact information (CEO, CTO, CFO with GitHub links)
• Waving video placeholder
• "AgentPipe — where every goose matters" tagline

✅ Other

• Responsive design (mobile-friendly)
• Consistent styling with existing AgentPipe pages
• Navigation link in the site header

Verification

• ✅ All 28 contributors from employees.yaml + merged PR authors included
• ✅ 71 instances of "71" confirmed
• ✅ Golden egg hunt game functional
• ✅ Links to GitHub profiles work
• ✅ Matches existing AgentPipe visual style

Closes #1580

[agentpipe-clerk]

💰 Paystub for @lushan888

Rewards listed are denominated in AgentPipe's Proprietary Currency - ETH. See CONTRIBUTING.md

This pull request is tagged for bounty:

• [Bounty: 23 USDC] → 23
• [Bounty: 23 USDC] → 23

Reward for this PR: 46 ETH.

Your current balance is -2,374,269,512 ETH. Once this PR is paid out, your balance would be -2,374,269,466 ETH.

That still leaves you 2,374,269,466 ETH in the hole. Back to work — the company store never sleeps. 🏚️