Initial commit: notification-elements-demo app

Interactive Angular 19 demo for @sda/notification-elements-ui with
6 sections: Bell & Feed, Notification Center, Inbox, Comments &
Threads, Mention Input, and Full-Featured layout. Includes mock
data, dark mode toggle, and real-time event log.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

node_modules/cosmiconfig/dist/cacheWrapper.js

@@ -0,0 +1,32 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.cacheWrapper = cacheWrapper;
+exports.cacheWrapperSync = cacheWrapperSync;
+
+async function cacheWrapper(cache, key, fn) {
+  const cached = cache.get(key);
+
+  if (cached !== undefined) {
+    return cached;
+  }
+
+  const result = await fn();
+  cache.set(key, result);
+  return result;
+}
+
+function cacheWrapperSync(cache, key, fn) {
+  const cached = cache.get(key);
+
+  if (cached !== undefined) {
+    return cached;
+  }
+
+  const result = fn();
+  cache.set(key, result);
+  return result;
+}
+//# sourceMappingURL=cacheWrapper.js.map