Expanded max request body size to 500mb

ref #5

src/controllers/PdfController.ts

@@ -15,7 +15,7 @@ export class PdfController {
 
     @Post('/contracts')
     @OpenAPI({ description: "Generate Sponsoring contract pdfs from runner objects.<br>You can choose your prefered locale by passing the 'locale' query-param." })
-    async generateContracts(@Body({ validate: true }) runners: Runner | Runner[], @Res() res: any, @QueryParam("locale") locale: string) {
+    async generateContracts(@Body({ validate: true, options: { limit: "500mb" } }) runners: Runner | Runner[], @Res() res: any, @QueryParam("locale") locale: string) {
         if (!this.initialized) {
             await this.pdf.init();
             this.initialized = true;