Enhance Scraper Dockerfile and Notice Entity

- Added an entrypoint script to the scraper Dockerfile to handle one-time scraping with date range support.
- Introduced a new ContentXML field in the Notice entity to store XML content, improving data structure for notices.
- Updated the scraper logic to map XML content to the tender entity, enhancing data processing capabilities.

internal/notice/entity.go

@@ -52,6 +52,7 @@ type Notice struct {
 	SourceFileURL             string               `bson:"source_file_url" json:"source_file_url"`
 	SourceFileName            string               `bson:"source_file_name" json:"source_file_name"`
 	ProcessingMetadata        ProcessingMetadata   `bson:"processing_metadata" json:"processing_metadata"`
+	ContentXML                string               `bson:"content_xml" json:"content_xml"`
 
 	// Status-specific fields
 	CancellationReason string               `bson:"cancellation_reason,omitempty" json:"cancellation_reason,omitempty"`