Add smart-codebase project to ecosystem documentation

Author: cxOrz

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

@@ -47,6 +47,7 @@ You can also check out [awesome-opencode](https://github.com/awesome-opencode/aw
 | [opencode-notify](https://github.com/kdcokenny/opencode-notify)                                    | Native OS notifications for OpenCode – know when tasks complete                                   |
 | [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                                                          |
+| [smart-codebase](https://github.com/cxOrz/smart-codebase)                                | Learn and become smarter after every task in your codebase                                                         |
 
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