docs: add ai-sdk-provider-opencode-sdk to ecosystem (#5772)

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

@@ -36,13 +36,14 @@ You can also check out [awesome-opencode](https://github.com/awesome-opencode/aw
 
 ## Projects
 
-| Name                                                                               | Description                                                     |
-| ---------------------------------------------------------------------------------- | --------------------------------------------------------------- |
-| [kimaki](https://github.com/remorses/kimaki)                                       | Discord bot to control OpenCode sessions, built on the SDK      |
-| [opencode.nvim](https://github.com/NickvanDyke/opencode.nvim)                      | Neovim plugin for editor-aware prompts, built on the API        |
-| [portal](https://github.com/hosenur/portal)                                        | Mobile-first web UI for OpenCode over Tailscale/VPN             |
-| [opencode plugin template](https://github.com/zenobi-us/opencode-plugin-template/) | Template for building OpenCode plugins                          |
-| [opencode.nvim](https://github.com/sudo-tee/opencode.nvim)                         | Neovim frontend for opencode - a terminal-based AI coding agent |
+| Name                                                                                       | Description                                                     |
+| ------------------------------------------------------------------------------------------ | --------------------------------------------------------------- |
+| [kimaki](https://github.com/remorses/kimaki)                                               | Discord bot to control OpenCode sessions, built on the SDK      |
+| [opencode.nvim](https://github.com/NickvanDyke/opencode.nvim)                              | Neovim plugin for editor-aware prompts, built on the API        |
+| [portal](https://github.com/hosenur/portal)                                                | Mobile-first web UI for OpenCode over Tailscale/VPN             |
+| [opencode plugin template](https://github.com/zenobi-us/opencode-plugin-template/)         | Template for building OpenCode plugins                          |
+| [opencode.nvim](https://github.com/sudo-tee/opencode.nvim)                                 | Neovim frontend for opencode - a terminal-based AI coding agent |
+| [ai-sdk-provider-opencode-sdk](https://github.com/ben-vargas/ai-sdk-provider-opencode-sdk) | Vercel AI SDK provider for using OpenCode via @opencode-ai/sdk  |
 
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