docs(web): add opencode-antigravity-img plugin to ecosystem

[ominiverdi]

Summary

Adds opencode-antigravity-img to the plugins list in the ecosystem documentation.

This plugin enables image generation using the Gemini 3 Pro Image model via the Antigravity/CloudCode API. It's a companion to opencode-antigravity-auth (already listed).

Links:

• GitHub: https://github.com/ominiverdi/opencode-antigravity-img
• npm: https://www.npmjs.com/package/opencode-antigravity-img

Features:

• generate_image tool - Generate images from text prompts
• image_quota tool - Check remaining quota for image generation

[github-actions]

Hey! Your PR title Add opencode-antigravity-img plugin to ecosystem doesn't follow conventional commit format.

Please update it to start with one of:

• feat: or feat(scope): new feature
• fix: or fix(scope): bug fix
• docs: or docs(scope): documentation changes
• chore: or chore(scope): maintenance tasks
• refactor: or refactor(scope): code refactoring
• test: or test(scope): adding or updating tests

Where scope is the package name (e.g., app, desktop, opencode).

See CONTRIBUTING.md for details.

[github-actions]

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

No duplicate PRs found

[github-actions]

Closing this pull request because it has had no updates for more than 60 days. If you plan to continue working on it, feel free to reopen or open a new PR.