[FEAT] Add docker files

Caddyfile.docker

@@ -0,0 +1,24 @@
+:1337 {
+    root * /srv/dist
+    encode zstd gzip
+
+    # Aggressive caching for static assets
+    @static path *.js *.css *.png *.jpg *.jpeg *.gif *.webp *.svg *.woff *.woff2 *.ico
+    header @static Cache-Control "public, max-age=31536000, immutable"
+
+    # Short cache for HTML (for SPA updates)
+    @html path *.html /
+    header @html Cache-Control "no-cache, must-revalidate"
+
+    # Default cache for everything else
+    header ?Cache-Control "max-age=1800"
+
+    try_files {path} /index.html
+    file_server {
+        precompressed zstd gzip
+    }
+
+    log {
+        output stdout
+    }
+}