Documenting, restructure and expand API

software/src/data/models/categoryModel.ts

@@ -1,7 +1,7 @@
 export class CategoryModel {
   id: number = -1
-  name: string = "All"
-  icon: string = "mdi-all-inclusive"
+  name: string
+  icon: string
   createdAt: string = ""
   updatedAt: string = ""
 }

software/src/data/models/productModel.ts

@@ -1,9 +1,9 @@
 export class ProductModel {
   id: number = -1
-  brand: string = ""
-  name: string = ""
+  brand: string
+  name: string
   description: string = ""
-  categoryId: number = 0
+  categoryId: number
   price: number = 0
   discount: number = 0
   rating: number = 1