mache

since [this PR](https://github.com/VCityTeam/UD-Viz/pull/756) widget_layer_choice is doing the job of widget_base_map, this latter should be remove

A lot of [CodeQL errors](https://github.com/VCityTeam/UD-Viz/security/code-scanning) are related to javascript files in ./docs/html (jsdoc result) try to configure CodeQL to only parse our javascript files (./bin + ./packages + ./examples)

[itowns discussion](https://github.com/iTowns/itowns/discussions/2061)

Document what happens when an external VCity participant submit a PR

2

According our [license](https://github.com/VCityTeam/UD-Viz/blob/master/LICENSE.md) VCity is the owner of the code of the repository, thus everyone submiting a PR is giving up its code property.

Fix links online doc

3

When jsdoc is generating the online documentation based on markdown files ([ones in that repository](https://github.com/VCityTeam/UD-Viz/tree/master/docs/static)) relative path in markdown files (which are correct in a github environment or a vscode...