docs(ecosystem): add constellation-opencode

Author: rbonestell

packages/web/src/content/docs/ecosystem.mdx

@@ -52,6 +52,7 @@ You can also check out [awesome-opencode](https://github.com/awesome-opencode/aw
 | [opencode-worktree](https://github.com/kdcokenny/opencode-worktree)                                | Zero-friction git worktrees for OpenCode                                                          |
 | [opencode-sentry-monitor](https://github.com/stolinski/opencode-sentry-monitor)                    | Trace and debug your AI agents with Sentry AI Monitoring                                          |
 | [opencode-firecrawl](https://github.com/firecrawl/opencode-firecrawl)                              | Web scraping, crawling, and search via the Firecrawl CLI                                          |
+| [constellation-opencode](https://github.com/ShiftinBits/constellation-opencode)                    | Upgrade OpenCode from text search to code understanding                                           |
 
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