life quality changes

- refactored SurveyController.cs
- added ProducesResponseType to every endpoint in every controller
- remade mappers

SurveyBackend/SurveyBackend.API/DTOs/Question/CreateQuestionDTO.cs

@@ -3,7 +3,6 @@ namespace SurveyBackend.DTOs.Question;
 public class CreateQuestionDto
 {
     public required string Title { get; set; }
-    public required int SurveyId { get; set; }
     public required string QuestionType { get; set; }
 
     public List<string>? AnswerVariants { get; set; }

SurveyBackend/SurveyBackend.API/DTOs/Survey/OutputSurveyDto.cs

@@ -0,0 +1,9 @@
+namespace SurveyBackend.DTOs.Survey;
+
+public class OutputSurveyDto
+{
+    public required int Id { get; set; }
+    public required string Title { get; set; }
+    public required string Description { get; set; }
+    public int? CreatedBy { get; set; }
+}