Use Next.js Link component instead of a tags

- Replace all anchor tags with Next.js Link component
- Import Link from 'next/link' in Hero and Footer components
- Maintain all existing props (target, rel, styling)
- Follow Next.js best practices for navigation

Author: claude

landing/src/app/Footer.tsx

@@ -1,5 +1,6 @@
 'use client'
 
+import Link from 'next/link'
 import { Box, Container, Grid, Flex } from '@devup-ui/react'
 
 export default function Footer() {
@@ -42,7 +43,7 @@ export default function Footer() {
             </Box>
             <Flex direction="column" gap="sm">
               <Box
-                as="a"
+                as={Link}
                 href="https://github.com/dev-five-git/devup-api#readme"
                 target="_blank"
                 rel="noopener noreferrer"
@@ -54,7 +55,7 @@ export default function Footer() {
                 Documentation
               </Box>
               <Box
-                as="a"
+                as={Link}
                 href="https://github.com/dev-five-git/devup-api#-quick-start"
                 target="_blank"
                 rel="noopener noreferrer"
@@ -66,7 +67,7 @@ export default function Footer() {
                 Quick Start
               </Box>
               <Box
-                as="a"
+                as={Link}
                 href="https://github.com/dev-five-git/devup-api/tree/main/examples"
                 target="_blank"
                 rel="noopener noreferrer"
@@ -78,7 +79,7 @@ export default function Footer() {
                 Examples
               </Box>
               <Box
-                as="a"
+                as={Link}
                 href="https://github.com/dev-five-git/devup-api#-packages"
                 target="_blank"
                 rel="noopener noreferrer"
@@ -103,7 +104,7 @@ export default function Footer() {
             </Box>
             <Flex direction="column" gap="sm">
               <Box
-                as="a"
+                as={Link}
                 href="https://github.com/dev-five-git/devup-api"
                 target="_blank"
                 rel="noopener noreferrer"
@@ -115,7 +116,7 @@ export default function Footer() {
                 GitHub
               </Box>
               <Box
-                as="a"
+                as={Link}
                 href="https://github.com/dev-five-git/devup-api/issues"
                 target="_blank"
                 rel="noopener noreferrer"
@@ -127,7 +128,7 @@ export default function Footer() {
                 Issues
               </Box>
               <Box
-                as="a"
+                as={Link}
                 href="https://github.com/dev-five-git/devup-api/pulls"
                 target="_blank"
                 rel="noopener noreferrer"
@@ -139,7 +140,7 @@ export default function Footer() {
                 Pull Requests
               </Box>
               <Box
-                as="a"
+                as={Link}
                 href="https://www.npmjs.com/package/@devup-api/fetch"
                 target="_blank"
                 rel="noopener noreferrer"
@@ -183,7 +184,7 @@ export default function Footer() {
           <Box>
             Licensed under Apache 2.0 | Inspired by{' '}
             <Box
-              as="a"
+              as={Link}
               href="https://github.com/drwpow/openapi-typescript"
               target="_blank"
               rel="noopener noreferrer"

landing/src/app/Hero.tsx

@@ -1,5 +1,6 @@
 'use client'
 
+import Link from 'next/link'
 import { Box, Container, Flex } from '@devup-ui/react'
 
 export default function Hero() {
@@ -78,7 +79,7 @@ export default function Hero() {
           flexWrap="wrap"
         >
           <Box
-            as="a"
+            as={Link}
             href="https://github.com/dev-five-git/devup-api#-quick-start"
             target="_blank"
             rel="noopener noreferrer"
@@ -98,7 +99,7 @@ export default function Hero() {
             Get Started
           </Box>
           <Box
-            as="a"
+            as={Link}
             href="https://github.com/dev-five-git/devup-api"
             target="_blank"
             rel="noopener noreferrer"