add area carpet fixture. Add carpet roll calculator test. refactor carpet roll as own component. add icons.

features/product/productSlice.ts

@@ -1,12 +1,12 @@
 import { createSelector, createSlice, PayloadAction } from '@reduxjs/toolkit';
 import { Id, Product } from '@/lib/product';
-import { dimensions_t, ProductData } from "@/lib/dimensions_t";
+import { dimensions_t, } from "@/lib/dimensions";
 import uuid from "react-native-uuid";
 import { RootState } from '@/app/store';
 import { Length } from 'convert';
 
 const initialState = {
-    products: [] as ProductData[],
+    products: [] as Product[],
     units: "ft",
 };