Whole site refactor. Added pinia stores and authentication capability.

src/stores/categories.store.ts

@@ -0,0 +1,27 @@
+import { defineStore } from 'pinia'
+import type { Category } from '@/main'
+import { ref } from 'vue'
+import { axiosInstance } from '@/main'
+
+export const useCategoriesStore = defineStore('categories', () => {
+  const categories = ref<Array<Category>>([]);
+
+  async function fetchCategories() {
+    const response = await axiosInstance.get('/towary', {withCredentials: true});
+    categories.value = response.data;
+
+    if(categories.value != undefined) {
+      for (const category of categories.value) {
+        for (const product of category.Towary) {
+          product.Options = new Array(product.Twr_JM);
+          product.ChosenOption = product.Twr_JM;
+          if (product.Twr_JMZ != null) {
+            product.Options.push(product.Twr_JMZ);
+          }
+        }
+      }
+    }
+  }
+
+  return {categories, fetchCategories}
+})