feat: add display kiosk host

surfaces/shell/scripts/build-browser.mjs

@@ -41,14 +41,17 @@ const buildOptions = {
     // React reads this at module scope and a browser has no `process`.
     "process.env.NODE_ENV": JSON.stringify(serve ? "development" : "production"),
   },
-  entryPoints: [path.join(packageDirectory, "src", "browser", "main.tsx")],
+  entryPoints: {
+    app: path.join(packageDirectory, "src", "browser", "main.tsx"),
+    "display/app": path.join(packageDirectory, "src", "display", "main.tsx"),
+  },
   format: "esm",
   jsx: "automatic",
   logLevel: "info",
   // Unminified, matching the module UI build: an operator is expected to be able to read what their
   // installation actually serves, and nothing else in this repository minifies.
   minify: false,
-  outfile: path.join(outputDirectory, "app.js"),
+  outdir: outputDirectory,
   platform: "browser",
   sourcemap: true,
   // Matches `browser.json`'s `target`, so what TypeScript typechecks and what esbuild emits agree.
@@ -57,7 +60,12 @@ const buildOptions = {
 
 await rm(outputDirectory, { force: true, recursive: true });
 await mkdir(outputDirectory, { recursive: true });
+await mkdir(path.join(outputDirectory, "display"), { recursive: true });
 await copyFile(path.join(packageDirectory, "index.html"), path.join(outputDirectory, "index.html"));
+await copyFile(
+  path.join(packageDirectory, "display.html"),
+  path.join(outputDirectory, "display", "index.html"),
+);
 
 if (serve) {
   const context = await esbuild.context(buildOptions);