Fix update-readme.yml: remove broken npm install, fix paths, rewrite script as self-contained CJS

[Copilot]

The update-readme.yml workflow was broken in four ways: npm install failed with ENOENT (no package.json exists), the script path was wrong, the script itself used ES module syntax without a module-type declaration and depended on a leaderboard.md that nothing generated, and git add targeted the wrong file.

Changes

• Workflow (update-readme.yml)

  • Drop npm install — only built-in Node.js modules are used
  • Fix script path: scripts/updateReadme.js → profile/scripts/updateReadme.js
  • Fix commit step: git add README.md → git add profile/README.md

• Script (profile/scripts/updateReadme.js)

  • Rewrite from incomplete ESM stub into a self-contained CommonJS script
  • Uses built-in https to fetch org repos, commit contributors, merged PRs, and issues from the GitHub REST API directly — no leaderboard.md intermediary, no npm deps
  • Generates and writes the full leaderboard table into profile/README.md between marker comments

• profile/README.md

  • Add <!-- LEADERBOARD START --> / <!-- LEADERBOARD END --> markers around the existing table so the regex replacement has valid anchors

// Before: broken ESM, reads a file that never existed
import fs from 'fs';
const leaderboardTable = fs.readFileSync('./leaderboard.md', 'utf8');

// After: CommonJS, fetches live data, writes directly
const repos = await getAllPages(`/orgs/${ORG}/repos?type=public`);
// ...aggregate commits/PRs/issues per contributor...
readme = readme.replace(
  /<!-- LEADERBOARD START -->[\s\S]*?<!-- LEADERBOARD END -->/,
  `<!-- LEADERBOARD START -->\n${table}\n<!-- LEADERBOARD END -->`
);

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