- npm updates

- renamed 'models' and 'validators' folders
- removed unneccessary files in contracts folder

app/models/description.ts

@@ -0,0 +1,34 @@
+import { column, belongsTo } from '@adonisjs/lucid/orm';
+import Dataset from './dataset.js';
+import BaseModel from './base_model.js';
+import type { BelongsTo } from "@adonisjs/lucid/types/relations";
+
+export default class Description extends BaseModel {
+    public static primaryKey = 'id';
+    public static table = 'dataset_abstracts';
+    public static selfAssignPrimaryKey = false;
+    public static timestamps = false;
+    public static fillable: string[] = ['value', 'type', 'language'];
+
+    @column({
+        isPrimary: true,
+    })
+    public id: number;
+    
+    @column({})
+    public document_id: number;
+
+    @column()
+    public type: string;
+
+    @column()
+    public value: string;
+
+    @column()
+    public language: string;
+
+    @belongsTo(() => Dataset, {
+        foreignKey: 'document_id',
+    })
+    public dataset: BelongsTo<typeof Dataset>;
+}