rework sidemenu + fix no categories / links

utils/front.ts

@@ -0,0 +1,28 @@
+import { Category, Link } from "../types"
+
+export function BuildCategory({ id, name, order, links = [], createdAt, updatedAt }): Category {
+    return {
+        id,
+        name,
+        links: links.map((link) => BuildLink(link, { categoryId: id, categoryName: name })),
+        order,
+        createdAt,
+        updatedAt
+    }
+}
+
+export function BuildLink({ id, name, url, order, favorite, createdAt, updatedAt }, { categoryId, categoryName }): Link {
+    return {
+        id,
+        name,
+        url,
+        category: {
+            id: categoryId,
+            name: categoryName
+        },
+        order,
+        favorite,
+        createdAt,
+        updatedAt
+    }
+}