- validate all file-upload via clamdscan (clamav), throw ValidationException in case of an error

- add @types/clamscan and clamscan for node
- package clamav-daemon and clamav-frehshclam for docker
- add API Controller: HomeController.ts for /api/years and /api/sitelinks/{year}
 change root path of file storage from '/storage/app/public/files' to '/storage/app/public'
 - adapt dockerfile to use node:18-bookworm-slim

app/Models/DatasetReference.ts

@@ -46,4 +46,16 @@ export default class DatasetReference extends BaseModel {
         foreignKey: 'document_id',
     })
     public dataset: BelongsTo<typeof Dataset>;
+
+    // Reference.belongsTo(Dataset, {
+    //     foreignKey: "related_document_id",
+    //     as: "new_dataset",
+    //     include: "identifier"
+    // });
+    @belongsTo(() => Dataset, {
+        foreignKey: 'related_document_id',
+    })
+    public new_dataset: BelongsTo<typeof Dataset>;
+
+
 }