metric-hub docs should display metric owners and other metric metadata on the website

[scholtzan]

Display metric owners and other metric metadata on the website. This is useful information to have on-hand when viewing the website, and could be hidden under an arrow by default to not clutter the site.

┆Issue is synchronized with this Jira Task

[mikewilli]

Still relevant, but maybe we should prioritize adding this to the data catalog docs vs the generated metric-hub docs.