docs: fix links (TanStack#78)

* minor fix

* config format fix

* link fix

Author: LadyBluenotes

docs/config.json

@@ -16,6 +16,10 @@
         {
           "label": "Quick Start",
           "to": "getting-started/quick-start"
+        },
+        {
+          "label": "Devtools",
+          "to": "getting-started/devtools"        
         }
       ]
     },

docs/getting-started/quick-start.md

@@ -7,28 +7,14 @@ Get started with TanStack AI in minutes. This guide will walk you through creati
 
 ## Installation
 
-<!-- ::tabs:start id="install" -->
-
-# npm
-
 ```bash
 npm install @tanstack/ai @tanstack/ai-react @tanstack/ai-openai
-```
-
-# pnpm
-
-```bash
+# or
 pnpm add @tanstack/ai @tanstack/ai-react @tanstack/ai-openai
-```
-
-# Yarn
-
-```bash
+#or
 yarn add @tanstack/ai @tanstack/ai-react @tanstack/ai-openai
 ```
 
-<!-- ::tabs:end -->
-
 ## Server Setup
 
 First, create an API route that handles chat requests. Here's a simplified example:
@@ -203,6 +189,6 @@ chat({ tools: [getProducts] })
 
 ## Next Steps
 
-- Learn about [Tools](../guides/tools) to add function calling
-- Check out [Client Tools](../guides/client-tools) for frontend operations
-- See the [API Reference](../api/ai) for more options
+- Learn about [Tools](../../guides/tools) to add function calling
+- Check out [Client Tools](../../guides/client-tools) for frontend operations
+- See the [API Reference](../../api/ai) for more options