docs: add toon-config-plugin to ecosystem plugins

[mmynsted]

Issue for this PR

Closes #

Type of change

• Bug fix
• New feature
• Refactor / code improvement
• Documentation

What does this PR do?

Updates the community ecosystem plugins table to reference opencode-toon-config-plugin.

This plugin provides two things.

1. It loads AGENTS.toon as your project rules file. This is a TOON based rules file rather than a Markdown encoded file. The reasons are for token savings and structure aid building actionable agent instructions.
2. An evaluate-toon command. This is a command file that instructs the AI agent to inspect the file provided by an argument to the command, or fall back to AGENTS.toon as default. It will inspect files encoded in TOON, Markdown or a combination, where the TOON based instructions are provided in a fenced block in the Markdown formatted file. It compares the file to a rubric and returns a weighted score. It also provides feedback for how to improve the file, if improvement is possible. Some models (and tuning) will provide better advice than others.

The plugin reloads the AGENTS.toon file on meaningful changes. A code based (not model based) quick evaluation is can be logged. See the README.md.

How did you verify your code works?

I tested the PR change by visiting the doc page on my fork and observing the change.
mmynsted/opencode/blob/add-toon-config-plugin/packages/web/src/content/docs/ecosystem.mdx

I can see it updated.

Screenshots / recordings

This is a one line addition to the table of ecosystem plugins.

Here is a screenshot of the updated table.

Checklist

• I have tested my changes locally
• I have not included unrelated changes in this PR

If you do not follow this template your PR will be automatically rejected.

[github-actions]

The following comment was made by an LLM, it may be inaccurate:

No duplicate PRs found

The searches show that PR #24397 is the only PR specifically about adding the toon-config-plugin to the ecosystem documentation. While there are many other similar PRs adding various plugins to the ecosystem table, none of them are duplicates of this specific PR.