docs(readme): update feature list

Increment Next.js version to v14

README.md

@@ -28,7 +28,7 @@ My personal homepage & portfolio: https://mateusf.com
 - SEO Optimized with meta information tags
 - Post OG image generator
 - Tailwind CSS for styling
-- Next 13 App dir with RSC and Typescript
+- Next 14 App dir with RSC and Typescript
 - Github actions workflow with Vercel for deployment
 - Automatic changelog generator