fix(tailwindcss): add tailwindStylesheet to .prettierrc (#636)

Co-authored-by: CokaKoala <[email protected]>

Author: jycouet

.changeset/tangy-friends-camp.md

@@ -0,0 +1,5 @@
+---
+'sv': patch
+---
+
+fix(tailwindcss): ensure `tailwindStylesheet` is added to `.prettierrc`, when applicable

packages/addons/tailwindcss/index.ts

@@ -149,6 +149,8 @@ export default defineAddon({
 
 				if (!plugins.includes(PLUGIN_NAME)) plugins.push(PLUGIN_NAME);
 
+				data.tailwindStylesheet ??= './src/app.css';
+
 				return generateCode();
 			});
 		}