add server to monorepo.

packages/server/src/models/Media.ts

@@ -0,0 +1,36 @@
+import { Model } from 'objection';
+import TenantModel from 'models/TenantModel';
+
+export default class Media extends TenantModel {
+  /**
+   * Table name
+   */
+  static get tableName() {
+    return 'media';
+  }
+
+  /**
+   * Model timestamps.
+   */
+  get timestamps() {
+    return ['createdAt', 'updatedAt'];
+  }
+
+  /**
+   * Relationship mapping.
+   */
+  static get relationMappings() {
+    const MediaLink = require('models/MediaLink');
+
+    return {
+      links: {
+        relation: Model.HasManyRelation,
+        modelClass: MediaLink.default,
+        join: {
+          from: 'media.id',
+          to: 'media_links.media_id',
+        },
+      },
+    };
+  }
+}