Added auth to openapi spec

ref #26

src/controllers/PdfController.ts

@@ -11,6 +11,7 @@ import { PdfCreator } from '../PdfCreator';
  */
 @JsonController()
 @Authorized()
+@OpenAPI({ security: [{ "AuthToken": [] }] })
 export class PdfController {
     private pdf: PdfCreator = new PdfCreator();
     private initialized: boolean = false;