refactor login page, change routes to token-based, add service classes

src/lib/helper/caseNumberOccupied.ts

@@ -1,7 +1,7 @@
 import { client } from '$lib/minio';
 
 export default async function caseNumberOccupied (caseNumber: string): Promise<boolean> {
-	const prefix = `${caseNumber}/config.json`;
+	const prefix = `${caseNumber}`;
 	const promise: Promise<boolean> = new Promise((resolve) => {
 		const stream = client.listObjectsV2('tatort', prefix, false, '');
 		stream.on('data', () => {