docs(ecosystem): add opencode-show-timestamps plugin

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

@@ -51,6 +51,7 @@ You can also check out [awesome-opencode](https://github.com/awesome-opencode/aw
 | [opencode-workspace](https://github.com/kdcokenny/opencode-workspace)                              | Bundled multi-agent orchestration harness – 16 components, one install                             |
 | [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-show-timestamps](https://github.com/mauriciorojassan/opencode-show-timestamps)          | Show timestamps for the last user message and last AI response, right next to your input. Configurable display slot via command palette. |
 | [opencode-firecrawl](https://github.com/firecrawl/opencode-firecrawl)                              | Web scraping, crawling, and search via the Firecrawl CLI                                           |
 | [opencode-jfrog-plugin](https://github.com/jfrog/opencode-jfrog-plugin)                            | JFrog Plugin for seamless integration of Opencode users to JFrog platform                          |
 | [opencode-goal-plugin](https://github.com/willytop8/OpenCode-goal-plugin)                          | Session-scoped `/goal` workflow that keeps objectives in context and auto-continues until complete |