Add shec0der contributor card - #159

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683, JamesIves/github-pages-deploy-action@65b5dfd4f5bcd3a7403bbc2959c144256167464e. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/