Improved user feedback system, improved Product detail view

software/backend/models/category.model.ts

@@ -1,8 +1,9 @@
-import { Table, Column, Model, BelongsTo, ForeignKey, HasMany } from 'sequelize-typescript';
+import { Table, Column, Model, BelongsTo, ForeignKey, HasMany, Unique } from 'sequelize-typescript';
 import { Product } from './product.model';
 
 @Table
 export class Category extends Model {
+  @Unique
   @Column
   name: string