Implemented basic auth

ref #26

src/controllers/PdfController.ts

@@ -1,4 +1,4 @@
-import { Body, JsonController, Post, QueryParam, Res } from 'routing-controllers';
+import { Authorized, Body, JsonController, Post, QueryParam, Res } from 'routing-controllers';
 import { OpenAPI } from 'routing-controllers-openapi';
 import { Runner } from '../models/Runner';
 import { RunnerCard } from '../models/RunnerCard';
@@ -10,6 +10,7 @@ import { PdfCreator } from '../PdfCreator';
  * All endpoints have to accept a locale query-param to support i18n. 
  */
 @JsonController()
+@Authorized()
 export class PdfController {
     private pdf: PdfCreator = new PdfCreator();
     private initialized: boolean = false;