build site into /dist

.gitignore

@@ -5,3 +5,4 @@
 /wasi-vfs
 !/node_modules/@ruby/wasm-wasi/dist/browser.umd.js
 /node_modules
+./dist

Rakefile

@@ -51,3 +51,12 @@ file "app.wasm" => ["Gemfile.lock", "wasi-vfs", "ruby.wasm"] do
 end
 
 task default: ["app.wasm"]
+
+desc "Build site into /dist"
+file :build_site => ["app.wasm"] do
+  rm_rf "dist"
+  mkdir "dist"
+  cp_r "assets", "dist"
+  cp "app.wasm", "dist"
+  cp "index.html", "dist"
+end

index.html

@@ -4,7 +4,6 @@
     <meta charset="utf-8">
     <meta name="viewport" content="initial-scale=1, maximum-scale=5">
     <title>Prawn Box</title>
-    <base href="/prawn_box/">
     <style>
       #controls {
         display: flex;