Write a packaging script for the demo app

For flexible staging and deployment, tell Trunk to use relative URLs.

app-proto/Trunk.toml

@@ -0,0 +1,2 @@
+[build]
+public_url = "./"

demo-summer-2025/.gitignore

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+/dyna3/index.html
+/dyna3/dyna3-*.js
+/dyna3/dyna3-*.wasm
+/dyna3/main-*.css

tools/package-demo

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+#!/bin/bash
+
+# set paths. this technique for getting the script location comes from
+# `mklement0` on Stack Overflow
+#
+#   https://stackoverflow.com/a/24114056
+#
+tools=$(dirname -- "$(readlink -f -- "$BASH_SOURCE")")
+dist_src="$tools/../app-proto/dist"
+dist_dest="$tools/../demo-summer-2025/dyna3"
+
+# remove the old hash-named files
+[ -e "$dist_dest"/dyna3-*.js ] && rm "$dist_dest"/dyna3-*.js
+[ -e "$dist_dest"/dyna3-*.wasm ] && rm "$dist_dest"/dyna3-*.wasm
+[ -e "$dist_dest"/main-*.css ] && rm "$dist_dest"/main-*.css
+
+# copy the distribution
+cp -r "$dist_src/." "$dist_dest"