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/fast-glob/out/utils/index.js

@@ -0,0 +1,17 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.string = exports.stream = exports.pattern = exports.path = exports.fs = exports.errno = exports.array = void 0;
+const array = require("./array");
+exports.array = array;
+const errno = require("./errno");
+exports.errno = errno;
+const fs = require("./fs");
+exports.fs = fs;
+const path = require("./path");
+exports.path = path;
+const pattern = require("./pattern");
+exports.pattern = pattern;
+const stream = require("./stream");
+exports.stream = stream;
+const string = require("./string");
+exports.string = string;