build: serve ivy todo app with real http-server (#23446)

PR Close #23446

tools/http-server/http_server.bzl

@@ -0,0 +1,18 @@
+"""Simple Bazel wrapper around npm http-server package.
+
+See https://www.npmjs.com/package/http-server
+"""
+load("@build_bazel_rules_nodejs//:defs.bzl", "nodejs_binary")
+
+def http_server(args = [], **kwargs):
+  # By default, we pass an argument pointing the http server to the
+  # package of the caller.
+  # This assumes there is an index.html in the package directory.
+  if not args:
+    args = [native.package_name()]
+
+  nodejs_binary(
+      node_modules = "@http-server_runtime_deps//:node_modules",
+      entry_point = "http-server/bin/http-server",
+      args = args,
+      **kwargs)