category -> product association implemented

ecomzone/classes/interfaces/ICategory.php

@@ -0,0 +1,11 @@
+<?php
+if (!defined('_PS_VERSION_')) {
+    exit;
+}
+
+interface ICategory
+{
+    public function processCategoriesFromString(string $categories): array;
+    public function createCategory(string $name, ?int $parentId = null): int;
+    public function getCategoryIdByName(string $name, ?int $parentId = null): ?int;
+} 

ecomzone/classes/interfaces/IProductSync.php

@@ -0,0 +1,10 @@
+<?php
+if (!defined('_PS_VERSION_')) {
+    exit;
+}
+
+interface IProductSync
+{
+    public function importProducts(int $perPage = 100): array;
+    public function importSingleProduct(array $productData): bool;
+}