Enhance search functionality by adding NoticePublicationID to SearchForm and updating API documentation

- Added `NoticePublicationID` field to the `SearchForm` for filtering tenders by TED notice publication ID.
- Updated Swagger documentation in the handler methods to include the new `notice_publication_id` parameter for relevant endpoints.
- Modified the repository's search filter to incorporate the new `NoticePublicationID` field, allowing for more precise search queries.

This update improves the search capabilities within the tender management system, enhancing user experience and data retrieval accuracy.

internal/tender/form.go

@@ -58,6 +58,7 @@ type SearchForm struct {
 	SubmissionDateTo        *int64   `query:"submission_date_to" valid:"optional"`
 	Source                  []string `query:"source" valid:"optional"`
 	BuyerOrganizationID     *string  `query:"buyer_organization_id" valid:"optional"`
+	NoticePublicationID     *string  `query:"notice_publication_id" valid:"optional"`
 	Languages               []string `query:"languages" valid:"optional"`
 	OnlyActiveDeadlines     bool     `query:"-" valid:"optional"`
 	Language                *string  `query:"lang" valid:"optional"`