docs(ecosystem): add opencode-zellij-namer plugin (#5771)

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

@@ -30,6 +30,7 @@ You can also check out [awesome-opencode](https://github.com/awesome-opencode/aw
 | [opencode-wakatime](https://github.com/angristan/opencode-wakatime)                               | Track OpenCode usage with Wakatime                                                            |
 | [opencode-md-table-formatter](https://github.com/franlol/opencode-md-table-formatter/tree/main)   | Clean up markdown tables produced by LLMs                                                     |
 | [oh-my-opencode](https://github.com/code-yeongyu/oh-my-opencode)                                  | Background agents, pre-built LSP/AST/MCP tools, curated agents, Claude Code compatible        |
+| [opencode-zellij-namer](https://github.com/24601/opencode-zellij-namer)                            | AI-powered automatic Zellij session naming based on OpenCode context                          |
 
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