feat: update portfolio metadata and remove unused dependencies

app/layout.tsx

@@ -3,8 +3,38 @@ import "./globals.css";
 
 
 export const metadata: Metadata = {
-  title: "Create Next App",
-  description: "Generated by create next app",
+  title:
+    "Poyraz Avsever - Portfolio - Freelancer - Fullstack Developer - Web Developer",
+  description:
+    "Poyraz Avsever's personal portfolio website showcasing projects, skills, and services as a freelancer and fullstack web developer. A young person passionate about coding and technology.",
+  icons: {
+    icon: "/favicon.ico",
+  },
+  authors: [{ name: "Poyraz Avsever" }],
+  keywords: [
+    "Poyraz Avsever",
+    "Portfolio",
+    "Freelancer",
+    "Fullstack Developer",
+    "Web Developer",
+    "Projects",
+    "Skills",
+    "Services",
+    "Coding",
+    "Technology",
+    "Personal Website",
+    "Software Engineer",
+    "Frontend Developer",
+    "Backend Developer",
+    "JavaScript",
+    "React",
+    "Node.js",
+    "Next.js",
+    "Web Development",
+    "Programming",
+    "Tech Enthusiast",
+    "Developer Portfolio",
+  ],
 };
 
 export default function RootLayout({