fix(www): fix install commands

Author: iipanda

apps/www/content/docs/components/markdown-renderer.mdx

@@ -32,7 +32,7 @@ The MarkdownRenderer component provides a consistent way to render Markdown cont
 <TabsContent value="cli">
 
 ```bash
-npx shadcn@latest add markdown-renderer
+npx shadcn@latest add https://shadcn-chatbot-kit.vercel.app/r/markdown-renderer.json
 ```
 
 </TabsContent>

apps/www/content/docs/components/typing-indicator.mdx

@@ -24,7 +24,7 @@ A minimal and elegant typing indicator component that shows three animated dots
 <TabsContent value="cli">
 
 ```bash
-npx shadcn@latest add typing-indicator
+npx shadcn@latest add https://shadcn-chatbot-kit.vercel.app/r/typing-indicator.json
 ```
 
 </TabsContent>