Create README for LeetCode User Stats Tracker

Added a README file for the LeetCode User Stats Tracker web app, detailing features, setup, and usage instructions.

Author: sanchit1804

Javascript/LeetCodeStats/readme.md

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+# 🧩 LeetCode User Stats Tracker
+
+A simple web app that lets you fetch and visualize **LeetCode user statistics** such as total problems solved, difficulty-wise progress, and overall submissions — all displayed in a clean, LeetCode-themed UI.
+
+---
+
+## 🚀 Features
+
+- 🔍 Search any LeetCode username  
+- 📊 Shows total, easy, medium, and hard problems solved  
+- 🧠 Displays total submission counts  
+- 🎨 Beautiful LeetCode-inspired UI  
+- 🔁 Uses LeetCode’s GraphQL API  
+- 🧰 Built with **HTML, CSS, and Vanilla JavaScript**
+
+---
+
+## ⚙️ How It Works
+
+1. Enter a valid **LeetCode username** in the input box.
+2. Click **Search**.
+3. The app fetches live data from the [LeetCode GraphQL API](https://leetcode.com/graphql/) through a free **CORS proxy**.
+4. The data is visualized using animated circular progress bars and submission cards.
+
+---
+
+## 🛠️ Setup & Usage
+'''NOTE:
+If the code fils to fetch data the go to "https://cors-anywhere.herokuapp.com/corsdemo" and  request temperory access here for the code to work.
+
+
+### 1. Clone or Download
+```bash
+git clone https://github.com/your-username/leetcode-stats-tracker.git
+cd leetcode-stats-tracker
+
+
+
+