[EmperorAlii] Add 007-e-commerce

[EmperorAlii]

🧮 Vanilla JavaScript E Commerce App

📋 Description

This pull request introduces a basic E-Commerce application built with vanilla JavaScript.
The app allows users to browse products, filter them by category, and manage a shopping cart, with state persistence using LocalStorage.

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🛠️ Features

-🛍️ Product listing with dynamic rendering

-🎯 Category-based product filtering

-💾 Filter state persistence using LocalStorage

-🛒 Add to cart functionality

-➕➖ Increase / decrease product quantity

-❌ Remove items from cart

-💰 Dynamic total price calculation

-🧼 Clean, modular, and readable code structure

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🧪 QA Steps

1️⃣ Add my remote (skip if already added)

git remote add ali git@github.com:EmperorAlii/vanilla-javascript.git

2️⃣ Fetch my repo

git fetch ali

3️⃣ Create a new branch for validation in tracking mode

git checkout -t ali/EmperorAlii/007-e-commerce

4️⃣ Open 007-e-commerce folder and navigate to EmperorAlii folder.

5️⃣ Open index.html in the browser and check the code.

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📸 Screenshots for Demo

Output