Add performance optimizations: gzip, cache headers, WOFF2 fonts, lazy loading

Enable gzip compression in nginx, add cache-control headers for static assets,
convert fonts to WOFF2 with font-display swap, preload fonts, add lazy loading
to below-fold images, and remove unused font files.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

vue/src/views/404.vue

@@ -5,7 +5,7 @@
         >
             <h1>404</h1>
             <RouterLink to="/" class="bdr-2">
-                <img src="/img/memes/epic.jpeg" />
+                <img src="/img/memes/epic.jpeg" loading="lazy" />
             </RouterLink>
             <h1>Click her, she will take you home</h1>
         </div>