Resolve "Show error messages from response"

Closes #123

fda-query-service/api/src/main/java/at/tuwien/ExportTableRawQuery.java

-package at.tuwien;
-
-import lombok.*;
-
-@Getter
-@Setter
-@ToString
-@Builder
-@AllArgsConstructor
-@NoArgsConstructor
-public class ExportTableRawQuery {
-
-    private String statement;
-
-    private String filename;
-
-}