feat: add question transition entity and validators

src/modules/questions/dtos/update-question-transition.dto.ts

@@ -0,0 +1,6 @@
+import { PartialType } from '@nestjs/swagger';
+import { CreateQuestionTransitionDTO } from './create-question-transition.dto';
+
+export class UpdateQuestionTransitionDTO extends PartialType(
+  CreateQuestionTransitionDTO,
+) {}