feat: Media attachment system

server/src/models/Media.js

@@ -0,0 +1,10 @@
+import TenantModel from '@/models/TenantModel';
+
+export default class Media extends TenantModel {
+  /**
+   * Table name
+   */
+  static get tableName() {
+    return 'media';
+  }
+}