Modernize frontend and centralize branding

nginx.conf

@@ -4,5 +4,5 @@ server {
     root /usr/share/nginx/html;
     index index.html;
     location / { try_files $uri $uri/ /index.html; }
-    location /static/ { expires 1y; add_header Cache-Control "public, immutable"; }
+    location /assets/ { expires 1y; add_header Cache-Control "public, immutable"; }
 }