Update README.md

Author: UstymUkhman

README.md

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 ![](https://img.shields.io/github/package-json/v/UstymUkhman/threejs-boilerplate?color=orange&style=flat-square)
 ![](https://img.shields.io/github/license/UstymUkhman/threejs-boilerplate?color=lightgrey&style=flat-square)
 
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 [![](./public/assets/images/preview.jpg)](https://ustymukhman.github.io/threejs-boilerplate/dist)
 
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 ## 📂 Structure ##
 
 ```
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   <summary>
     <h2 style="display: inline-block;">✨ Features</h2>
   </summary>
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   <h3>&emsp;&emsp;&ensp;⚙️ Basic</h3>
   &emsp;&emsp;&emsp;&emsp;&emsp;&nbsp;&bull; Cross-platform <a href="./public/favicons" target="_blank">Favicons</a><br />
   &emsp;&emsp;&emsp;&emsp;&emsp;&nbsp;&bull; Meta tags for sharing on <a href="./index.html#L29-L34" target="_blank">Facebook</a> and <a href="./index.html#L36-L40" target="_blank">Twitter</a><br />