perf: optimize landing page assets and reduce render cost

nginx.conf

@@ -5,8 +5,17 @@ server {
     root /usr/share/nginx/html;
     index index.html;
 
+    gzip on;
+    gzip_vary on;
+    gzip_min_length 1024;
+    gzip_types text/plain text/css application/javascript application/json image/svg+xml;
+
     location / {
         try_files $uri $uri/ =404;
     }
-}
 
+    location ~* \.(css|js|jpg|jpeg|png|webp|svg|ico)$ {
+        expires 30d;
+        add_header Cache-Control "public, max-age=2592000";
+    }
+}