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/wildcard/examples/arrays.js

@@ -0,0 +1,10 @@
+var wildcard = require('..');
+var testdata = [
+  'a.b.c',
+  'a.b',
+  'a',
+  'a.b.d'
+];
+
+console.log(wildcard('a.b.*', testdata));
+// --> ['a.b.c', 'a.b', 'a.b.d']

node_modules/wildcard/examples/objects.js

@@ -0,0 +1,10 @@
+var wildcard = require('..');
+var testdata = {
+  'a.b.c' : {},
+  'a.b'   : {},
+  'a'     : {},
+  'a.b.d' : {}
+};
+
+console.log(wildcard('a.*.c', testdata));
+// --> { 'a.b.c': {} }

node_modules/wildcard/examples/strings.js

@@ -0,0 +1,7 @@
+var wildcard = require('..');
+
+console.log(wildcard('foo.*', 'foo.bar'));
+// --> true
+
+console.log(wildcard('foo.*', 'foo'));
+// --> true