Update documentation for Tailwind integration

- Changed references from **globals.css** to **index.css** in getting-started.mdx to align with Tailwind configuration.
- Restored the OpenInV0Button in splat-viewer.mdx and added instructions for ensuring Tailwind processing in **index.css**.

Author: marklundin

packages/docs/content/blocks/getting-started.mdx

@@ -78,13 +78,12 @@ Follow the official [Tailwind CSS installation guide](https://tailwindcss.com/do
     </Tabs.Tab>
 </Tabs>
 
-### Import PlayCanvas Blocks Styles
+### Configure Tailwind
 
-Add the following to your **globals.css** file. This ensures that the blocks are styled correctly.
+Add the following to your **index.css** file. This ensures that the block is processed by Tailwind.
 
-```css copy filename=src/styles/globals.css
-@import 'tailwindcss';
-@import '@playcanvas/blocks';
+```css copy filename=src/index.css
 @source '../node_modules/@playcanvas/blocks';
 ```
+
 </Steps>

packages/docs/content/blocks/splat-viewer.mdx

@@ -15,7 +15,7 @@ Supports large assets with lazy loading and automatic framing. Use it in modals,
 Supports compressed gaussian splats.
 
 <div className="lg:outline lg:p-28 -mx-4 lg:-mx-6 mt-12 mb-0 rounded-t-lg bg-linear-to-br from-indigo-500 to-purple-600 relative">
-  {/* <OpenInV0Button url="https://v0.dev/chat/api/open?url=https://playcanvas-react.vercel.app/r/splat-viewer.json" className="absolute top-4 right-4" /> */}
+  <OpenInV0Button url="https://v0.dev/chat/api/open?url=https://playcanvas-react.vercel.app/r/splat-viewer.json" className="absolute top-4 right-4" />
   <Viewer.Splat src={splatUrl} className="aspect-2.39:1 bg-purple-200 rounded-t-lg lg:rounded-lg shadow-xl cursor-grab active:cursor-grabbing" >
       <Viewer.Controls autoHide >
         <div className="flex gap-1 flex-grow">
@@ -107,6 +107,12 @@ Install the component from your command line.
 npx shadcn@latest add https://playcanvas-react.vercel.app/r/splat-viewer.json
 ```
 
+Ensure the block is processed by Tailwind by adding the following to your `index.css`.
+
+```css
+@source "../node_modules/@playcanvas/blocks";
+```
+
 ### Anatomy
 
 Import all parts and piece them together.