feat: Add notification_created when create_notification_activity is sent (#205)

🎫 Ticket: https://linear.app/stream/issue/FEEDS-1016

📑 Docs: https://github.com/GetStream/docs-content/pull/<id>

### 💡 Overview

### 📝 Implementation notes

Author: naumoskajana

packages/feeds-client/src/gen/models/index.ts

@@ -614,6 +614,8 @@ export interface AddCommentReactionResponse {
   comment: CommentResponse;
 
   reaction: FeedsReactionResponse;
+
+  notification_created?: boolean;
 }
 
 export interface AddCommentRequest {
@@ -644,6 +646,8 @@ export interface AddCommentResponse {
   duration: string;
 
   comment: CommentResponse;
+
+  notification_created?: boolean;
 }
 
 export interface AddCommentsBatchRequest {
@@ -680,6 +684,8 @@ export interface AddReactionResponse {
   activity: ActivityResponse;
 
   reaction: FeedsReactionResponse;
+
+  notification_created?: boolean;
 }
 
 export interface AggregatedActivityResponse {
@@ -5258,6 +5264,8 @@ export interface SingleFollowResponse {
   duration: string;
 
   follow: FollowResponse;
+
+  notification_created?: boolean;
 }
 
 export interface SortParam {