Update docs to include Cohere support (vercel#183)

README.md

@@ -21,7 +21,7 @@
 - [Next.js](https://nextjs.org) App Router
 - React Server Components (RSCs), Suspense, and Server Actions
 - [Vercel AI SDK](https://sdk.vercel.ai/docs) for streaming chat UI
-- Support for OpenAI (default), Anthropic, Hugging Face, or custom AI chat models and/or LangChain
+- Support for OpenAI (default), Anthropic, Cohere, Hugging Face, or custom AI chat models and/or LangChain
 - Edge runtime-ready
 - [shadcn/ui](https://ui.shadcn.com)
   - Styling with [Tailwind CSS](https://tailwindcss.com)
@@ -32,7 +32,7 @@
 
 ## Model Providers
 
-This template ships with OpenAI `gpt-3.5-turbo` as the default. However, thanks to the [Vercel AI SDK](https://sdk.vercel.ai/docs), you can switch LLM providers to [Anthropic](https://anthropic.com), [Hugging Face](https://huggingface.co), or using [LangChain](https://js.langchain.com) with just a few lines of code.
+This template ships with OpenAI `gpt-3.5-turbo` as the default. However, thanks to the [Vercel AI SDK](https://sdk.vercel.ai/docs), you can switch LLM providers to [Anthropic](https://anthropic.com), [Cohere](https://cohere.com/), [Hugging Face](https://huggingface.co), or using [LangChain](https://js.langchain.com) with just a few lines of code.
 
 ## Deploy Your Own