Initial commit: 91dj android client dev_1.0.0

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

analytics_sdk/lib/enum/banner_event_enum.dart

@@ -0,0 +1,11 @@
+enum BannerEventEnum{
+  CLICK(label: 'click'),
+  CLOSE(label: 'close'),
+  SHOW(label: 'show');
+
+  final String label;
+
+  const BannerEventEnum({
+    required this.label,
+  });
+}