Add VIZ-COAST project page - #27

Error: Unavailable version 3.2.2 for ruby on ubuntu-26.04 Only the latest patch release of each series is built for newer runner images. ruby-3.2.11 is available on ubuntu-26.04: use ruby-version: '3.2.11', or '3.2' to always use the latest 3.2.x release. Cause: Unexpected HTTP response: 404 at /home/runner/work/_actions/ruby/setup-ruby/v1/dist/index.js:45918:15 at process.processTicksAndRejections (node:internal/process/task_queues:104:5) at async body (/home/runner/work/_actions/ruby/setup-ruby/v1/dist/index.js:372:14)

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/