add users

internal/contract/user_contract.go

@@ -144,7 +144,7 @@ type MentionUsersResponse struct {
 
 // BulkCreateUsersRequest represents the request for creating multiple users
 type BulkCreateUsersRequest struct {
-	Users []BulkUserRequest `json:"users" validate:"required,min=1,max=100"`
+	Users []BulkUserRequest `json:"users" validate:"required,min=1,max=5000"`
 }
 
 // BulkUserRequest represents a single user in bulk creation request