chore: tiger agents doc, first draft.

[billy-the-fish]

tiger Agents.

[github-actions]

Allow 10 minutes from last push for the staging site to build. If the link doesn't work, try using incognito mode instead. For internal reviewers, check web-documentation repo actions for staging build status. Link to build for this PR: http://docs-dev.timescale.com/docs-482-docs-rfcadd-a-single-page-doc-about-tiger-agent

[github-actions]

Oh no, the docs build failed! To see why visit the failing build (link only accessible to Timescalers).

[github-actions]

Oh no, the docs build failed! To see why visit the failing build (link only accessible to Timescalers).

[atovpeko]

General comment: I think we either need separate sing/plural variables, or rework to have one in singular and put it in plural with an s at the end. I get it that it's a feature, but sometimes it just works too weird in a sentence.