Enhance Notification and User Models with New Fields and Update Swagger Documentation

- Added 'image' and 'link' fields to the NotificationRequest and NotificationResponse structures, improving the flexibility of notification content.
- Updated the 'created_at', 'updated_at', and 'schedule_at' fields to use integer types for Unix timestamps, ensuring consistency in time handling.
- Expanded the tender status enumeration to include 'closed', 'modified', 'suspended', and 'published', enhancing the representation of tender states.
- Reflected these changes in the Swagger documentation, ensuring accurate API specifications for clients.

internal/user/form.go

@@ -132,6 +132,7 @@ func (u *User) ToResponse() *UserResponse {
 		Department:   u.Department,
 		Position:     u.Position,
 		Phone:        u.Phone,
+		DeviceToken:  u.DeviceToken,
 		ProfileImage: u.ProfileImage,
 		IsVerified:   u.IsVerified,
 		LastLoginAt:  u.LastLoginAt,