feat: Implement hackathon status change functionality with audit logging

- Added HackathonStatusChangeRequestDto for status change requests.
- Implemented update_hackathon_status method in HackathonRepository to handle status updates.
- Enhanced HackathonService to validate and process status changes, including audit logging.
- Introduced HackathonAuditLogSchema to track changes and actions related to hackathons.
- Created HackathonAuditRepository for managing audit logs.
- Added validation functions for hackathon operations, including dates, organizers, and prizes.
- Implemented atomic service for creating hackathons with timelines and events, ensuring all-or-nothing behavior.
- Updated mod.rs to include new modules for audit logging and validation.

imphnen-hackathon/src/v1/hackathon/hackathon_dto.rs

@@ -618,4 +618,13 @@ pub struct AdminSensitiveDataDto {
 pub struct AdminSensitiveDataResponseDto {
     pub data: Vec<AdminSensitiveDataDto>,
     pub message: String,
-}
+}
+// Status Change DTOs
+#[derive(Clone, Debug, Serialize, Deserialize, ToSchema, Validate)]
+pub struct HackathonStatusChangeRequestDto {
+    pub status: HackathonStatus,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub reason: Option<String>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub actor_id: Option<String>,
+}