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/components/util/CommitHistory.vue

@@ -21,7 +21,7 @@ const { gitFeed: feed, loaded } = storeToRefs(homeData);
             class="flex-1 flex flex-col overflow-y-auto overflow-x-hidden"
         >
             <h3>Last git activity</h3>
-            <img :src="feed.avatarUrl" alt="User avatar" class="avatar" />
+            <img :src="feed.avatarUrl" alt="User avatar" class="avatar" loading="lazy" />
             <Link :href="feed.repoUrl">
                 <h3>repo: {{ feed.repoName }}</h3>
             </Link>

vue/src/components/util/Wip.vue

@@ -1,7 +1,7 @@
 <template>
     <div class="a4page-portrait bdr-1 flex flex-col relative overflow-scroll">
         <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>
         <span style="height: 100px"></span>