Add an optional web UI interface for Martin, including docker-based cross-compilation support. The UI itself is a placeholder with a logo, but will grow in subsequent PRs.
This was branched off of https://github.com/maplibre/martin/pull/1142 to
address the PR feedback from @nyurik .
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Co-authored-by: Yuri Astrakhan <yuriastrakhan@gmail.com>
Co-authored-by: Tomer Ronen <tomer207@gmail.com>
Co-authored-by: tomeronen <45331634+tomeronen@users.noreply.github.com>
