Register Component into Software Catalog and set up TechDocs publishing

[enghub-ops-integration]

Register Component into Software Catalog and set up TechDocs publishing

This PR adds the files to:

• enable EngHub to catalog this service
• set up TechDocs site and publishing

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
1 out of 2 committers have signed the CLA.

✅ Duologic
❌ enghub-ops-integration[bot]
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[github-actions]

In order to lower resource usage and have a faster runtime, PRs will not run Cloud tests automatically.
To do so, a Grafana Labs employee must trigger the cloud acceptance tests workflow manually.