Add the ability to setup OT&E from the web console

We create a new endpoint with a simple form that will let admins (including
support) setup OT&E for registrars.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=226570568

java/google/registry/ui/soy/otesetup/BUILD

@@ -0,0 +1,21 @@
+package(
+    default_visibility = ["//java/google/registry:registry_project"],
+)
+
+licenses(["notice"])  # Apache 2.0
+
+load("@io_bazel_rules_closure//closure:defs.bzl", "closure_java_template_library", "closure_js_template_library")
+
+closure_js_template_library(
+    name = "otesetup",
+    srcs = glob(["*.soy"]),
+    data = ["//java/google/registry/ui/css:registrar_raw"],
+    globals = "//java/google/registry/ui:globals.txt",
+    deps = ["//java/google/registry/ui/soy"],
+)
+
+closure_java_template_library(
+    name = "soy_java_wrappers",
+    srcs = glob(["*.soy"]),
+    java_package = "google.registry.ui.soy.otesetup",
+)