fix: update broken doc links

- docs/index.mdx: /llm-setup-guide -> /features/bring-your-own-llm
- README.md: browseros-mcp/how-to-guide -> /features/use-with-claude-code

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

README.md

@@ -57,7 +57,7 @@
 [![BrowserOS agent in action](docs/videos/browserOS-agent-in-action.gif)](https://www.youtube.com/watch?v=SoSFev5R5dI)
 <br/><br/>
 
-### 🎇 Install [BrowserOS as MCP](https://docs.browseros.com/browseros-mcp/how-to-guide) and control it from `claude-code`
+### 🎇 Install [BrowserOS as MCP](https://docs.browseros.com/features/use-with-claude-code) and control it from `claude-code`
 
 https://github.com/user-attachments/assets/c725d6df-1a0d-40eb-a125-ea009bf664dc
 

docs/index.mdx

@@ -37,7 +37,7 @@ BrowserOS is an AI-native browser that lets you automate any web task by describ
   <Step title="Configure your AI">
     BrowserOS includes a default AI model with limited daily usage for testing. For the full experience, bring your own API keys.
 
-    <Card title="Set up your LLM provider" icon="key" href="/llm-setup-guide">
+    <Card title="Set up your LLM provider" icon="key" href="/features/bring-your-own-llm">
       Configure Gemini, Claude, OpenAI, or run models locally with Ollama
     </Card>
   </Step>