Update README.md

README.md

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 # 3D-Chemistry
 
+![image](https://github.com/Vidit-Kushwaha/3D-Chemistry/blob/main/assets/image.png)
+
 Demo : https://threed-chemistry.onrender.com
 
-# Technologies Used
+
+## Table of Contents
+
+- [Technologies Used](#technologies-used)
+- [Features](#features)
+- [Getting Started](#getting-started)
+- [Contributing](#contributing)
+- [License](#license)
+
+## Technologies Used
 
 - JavaScript
 - 3DMol.js
 - jQuery
 - Ajax
-
 
-# Key Functionalities:
+## Features
 
-- Styles for Rendering (i.e. stick, sphere, line, and cross)
-- Measuring Distances
-- Atom Labeling
+- **Upload CJSON, PDB Files:** Users can upload CJSON, PDB files containing structures.
+- **Suported Model:** Supporded different model format (pdb, cif, cid,smiles, mmtf).
+- **Styles:** Models feature a variety of styles, such as spherical, ball, stick, cross, and cartoon.
+- **Annotate the element:** Users can annotate specific elements in a structure by hovering over them.
+- **Measure Distance:** Clicking over two atoms allows the user to measure their distance. 
+- **Visualise in 3D:** The 3D molecular structure was rendered using the 3Dmol.js framework.
 
-# Getting Started:
+## Getting Started:
 
-- Clone this repository: `git clone https://github.com/Vidit-Kushwaha/3D-Chemistry.git`
+- Clone this repository:
+  ```bash
+  git clone https://github.com/Vidit-Kushwaha/3D-Chemistry.git`
 - Start the development server.
 
-# Contributing
+## Contributing
 
 We welcome contributions! Whether you're a seasoned developer or a curious enthusiast.
+
+## License 
+
+This project is licensed under the MIT License. See the [LICENSE](https://github.com/Vidit-Kushwaha/3D-Chemistry/blob/main/LICENSE) file for details.