Release @pi/ui 0.0.3 to the npm-releases repository

It is where 0.0.2 lives and where apps install it from; npm-private
asked for credentials no one had.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

libs/ui/package.json

@@ -1,11 +1,11 @@
 {
   "name": "@pi/ui",
-  "version": "0.0.2",
+  "version": "0.0.3",
   "description": "Librería de componentes Angular standalone (botones, campos con Signal Forms, cards, charts, drawer/hub/modal, theming vía tokens CSS...).",
   "license": "MIT",
   "generators": "./generators.json",
   "publishConfig": {
-    "registry": "https://nexus.pireon.dev/repository/npm-private/",
+    "registry": "https://nexus.pireon.dev/repository/npm-releases/",
     "access": "restricted"
   },
   "peerDependencies": {
@@ -29,4 +29,4 @@
   "exports": {
     "./styles/*": "./styles/*"
   }
-}
+}