Add k0rdent, sorts participants, and aligns language

[stockholmux]

Description

This PR accomplishes three things:

1. It sorts the participants page by name instead of order in the YAML data file
2. It changes "About the company" to "About the organization" since the header says "The Valkey project participants are a diverse group of organizations" and k0rdent isn't a company.
3. it adds k0rdent.

On #288, the description was more than 2x the length, so I edited down the description, so this needs to be validated before merging.

Issues Resolved

#288

Check List

• Commits are signed per the DCO using --signoff

By submitting this pull request, I confirm that my contribution is made under the terms of the BSD-3-Clause License.