Initial commit: dashboard-elements-ui library

Angular library providing dashboard components including grid layout,
drag-and-drop widgets, resize handles, toolbar, config panel, layout
presets, and persistence services.

package.json

@@ -0,0 +1,36 @@
+{
+  "name": "@sda/dashboard-elements-ui",
+  "version": "0.1.0",
+  "description": "Angular components for dashboard layout builder with drag-and-drop, CSS Grid, widget management, and layout presets powered by @sda/base-ui",
+  "keywords": [
+    "angular",
+    "dashboard",
+    "layout",
+    "drag-and-drop",
+    "grid",
+    "widgets",
+    "components",
+    "ui"
+  ],
+  "license": "MIT",
+  "sideEffects": false,
+  "scripts": {
+    "build": "ng-packagr -p ng-package.json",
+    "build:dev": "./build-for-dev.sh"
+  },
+  "peerDependencies": {
+    "@angular/common": "^19.0.0",
+    "@angular/core": "^19.0.0",
+    "@sda/base-ui": "*"
+  },
+  "devDependencies": {
+    "@angular/common": "^19.1.0",
+    "@angular/compiler": "^19.1.0",
+    "@angular/compiler-cli": "^19.1.0",
+    "@angular/core": "^19.1.0",
+    "@angular/forms": "^19.2.18",
+    "@sda/base-ui": "file:../base-ui",
+    "ng-packagr": "^19.1.0",
+    "typescript": "~5.7.2"
+  }
+}