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/minimatch/dist/commonjs/escape.js

@@ -0,0 +1,22 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.escape = void 0;
+/**
+ * Escape all magic characters in a glob pattern.
+ *
+ * If the {@link windowsPathsNoEscape | GlobOptions.windowsPathsNoEscape}
+ * option is used, then characters are escaped by wrapping in `[]`, because
+ * a magic character wrapped in a character class can only be satisfied by
+ * that exact character.  In this mode, `\` is _not_ escaped, because it is
+ * not interpreted as a magic character, but instead as a path separator.
+ */
+const escape = (s, { windowsPathsNoEscape = false, } = {}) => {
+    // don't need to escape +@! because we escape the parens
+    // that make those magic, and escaping ! as [!] isn't valid,
+    // because [!]] is a valid glob class meaning not ']'.
+    return windowsPathsNoEscape
+        ? s.replace(/[?*()[\]]/g, '[$&]')
+        : s.replace(/[?*()[\]\\]/g, '\\$&');
+};
+exports.escape = escape;
+//# sourceMappingURL=escape.js.map