fix: ship updatable 1.1.1 source archives

Package a clean shallow main checkout with credential-free Gitea remote, localize the China launcher, and set the new-install Responses endpoint.

apps/showcase_ui/package.json

@@ -1,6 +1,6 @@
 {
   "name": "artemis-showcase-ui",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "scripts": {
     "ng": "ng",
     "start": "ng serve --proxy-config proxy.conf.json",