Add next/prev links to bottom of blog posts

src/frontend/pages/post.tsx

@@ -1,5 +1,10 @@
 import React from 'react';
 
+interface NavigationPost {
+  title: string;
+  path: string;
+}
+
 interface PostProps {
   // HTML string for the blog post body
   children: string;
@@ -7,10 +12,14 @@ interface PostProps {
     title: string;
     date: Date;
     readingTime: string;
+    previousPost?: NavigationPost | null;
+    nextPost?: NavigationPost | null;
   };
 }
 
 export function Post({ children, meta }: PostProps) {
+    const { previousPost, nextPost } = meta;
+    
     return (
         <main>
           <article className="blog-post">
@@ -39,6 +48,22 @@ export function Post({ children, meta }: PostProps) {
               </div>
             </header>
             <div className="post-content" dangerouslySetInnerHTML={{ __html: children }} />
+            <footer className="post-navigation">
+              <div className="post-nav-links">
+                {previousPost && (
+                  <a href={previousPost.path} className="post-nav-link prev-nav">
+                    <span className="nav-direction">← Previous</span>
+                    <span className="nav-title">{previousPost.title}</span>
+                  </a>
+                )}
+                {nextPost && (
+                  <a href={nextPost.path} className="post-nav-link next-nav">
+                    <span className="nav-direction">Next →</span>
+                    <span className="nav-title">{nextPost.title}</span>
+                  </a>
+                )}
+              </div>
+            </footer>
           </article>
         </main>
     )