Used internal build tooling to pack index

build.rs

@@ -0,0 +1,9 @@
+use std::fs;
+
+fn main() {
+    println!("cargo:rerun-if-changed=index.html");
+
+    if let Err(e) = fs::copy("index.html", "pkg/index.html") {
+        eprintln!("Error: Couldn't copy index.html: {}", e);
+    }
+}