map and ui: map spot callbacks, a bulk spot read, a few window additions and a minimap widget for scripts (linked PR # 3) - #676

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, actions/upload-artifact@v4.6.0. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/