the package is now served from npm; removed copy-latest related code

package.json

@@ -1,13 +1,22 @@
 {
-  "name": "phx-frontend-plugin-demo",
-  "version": "0.0.0",
+  "name": "@phx-erp/phx-frontend-plugin-demo",
+  "version": "0.1.0",
+  "files": [
+    "dist/phx-frontend-plugin-demo/browser",
+    "manifest.json"
+  ],
+  "exports": {
+    ".": "./dist/phx-frontend-plugin-demo/browser/main.js",
+    "./manifest.json": "./manifest.json"
+  },
+  "private": false,
   "scripts": {
     "ng": "ng",
     "start": "ng serve --configuration development",
-    "build": "concurrently \"ng build --watch --output-hashing none --configuration production\" \"node scripts/copy-latest.mjs --watch\"",
+    "build": "ng build --watch --output-hashing none --configuration production",
+    "build:once": "ng build --output-hashing none --configuration production",
     "test": "ng test",
     "build:dev": "ng build --output-hashing none --watch --configuration development",
-    "copy-latest": "node scripts/copy-latest.mjs",
     "serve": "node ./scripts/serve-dist.mjs",
     "codegen": "graphql-codegen",
     "client": "ng serve --port 4201 --watch --configuration development",
@@ -25,7 +34,6 @@
       }
     ]
   },
-  "private": true,
   "dependencies": {
     "@angular/animations": "20",
     "@angular/common": "^20.3.0",