feat: add name property to share (#462)

* add name property to share

* refactor: run formatter

* tests: adapt system tests

* tests: adapt second system test

backend/src/share/dto/createShare.dto.ts

@@ -18,6 +18,10 @@ export class CreateShareDTO {
   @Length(3, 50)
   id: string;
 
+  @Length(3, 30)
+  @IsOptional()
+  name: string;
+
   @IsString()
   expiration: string;