Update package.json for turbopack support, enhance AppSidebar with new icons, and add Textarea and auth-utils components

- Modified the dev script in package.json to use turbopack for improved development performance.
- Enhanced AppSidebar by adding new icons for navigation items, improving visual clarity.
- Introduced a new Textarea component for consistent styling and functionality across forms.
- Added auth-utils module to fetch the current user session, streamlining user authentication processes.

package.json

@@ -3,7 +3,7 @@
 	"version": "0.1.0",
 	"private": true,
 	"scripts": {
-		"dev": "next dev",
+		"dev": "next dev --turbopack",
 		"build": "next build",
 		"start": "next start",
 		"lint": "next lint"