refactor bug report handlers to use centralized JSON response functions and add delete functionality

main.go

@@ -90,7 +90,8 @@ func main() {
 					r.Get("/{id}/files", handlers.GetReportFilesByReportID(db))
 					r.Get("/{id}/files/{file_id}", handlers.GetReportFileByFileID(db))
 					r.Get("/{id}/download", handlers.GetBugReportZipById(db))
-					r.Patch("/{id}/status", handlers.PatchReportStatus(db))
+					r.Patch("/{id}/status", handlers.PatchBugReportStatus(db))
+					r.Delete("/{id}", handlers.DeleteBugReportByID(db))
 				})
 			})
 		})