[POC] Sharing visualizations outside of GitLab

Problem to solve

For Make visualizations embeddable outside of GitLab (#377818) we'd like to know if it's technically feasible to share analytics visualizations outside of GitLab.

Proposed solution

Create a technical proof of concept to spike sharing analytics visualizations outside of GitLab using the snippets approach.

Implementation

There are some suggestions on how to do this in this thread &8940 (comment 1835922375).