Docs: Add ApiProperty to all Dtos

This makes it possible for the autogenerated openapi file to contain all the dtos instead of nothing.

Signed-off-by: Philip Molares <philip.molares@udo.edu>

src/users/user-info.dto.ts

@@ -13,6 +13,7 @@ export class UserInfoDto {
    * @example "john.smith"
    */
   @IsString()
+  @ApiProperty()
   userName: string;
 
   /**
@@ -20,6 +21,7 @@ export class UserInfoDto {
    * @example "John Smith"
    */
   @IsString()
+  @ApiProperty()
   displayName: string;
 
   /**