Update README.md

README.md

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 ---
 license: cc-by-4.0
+task_categories:
+- robotics
+pretty_name: 'S3E: A Mulit-Robot Multimodal Dataset for Collaborative SLAM'
 ---
 <h1> <a href="https://pengyu-team.github.io/S3E">S3E: A Mulit-Robot Multimodal Dataset for Collaborative SLAM</a> </h1>
 
@@ -8,4 +11,4 @@ license: cc-by-4.0
 > 
 > Feel free to open a <a href="https://github.com/DapengFeng/S3E/discussions"><svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" data-view-component="true" class="octicon octicon-comment-discussion UnderlineNav-octicon d-none d-sm-inline">
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-</svg> disccussion</a>.
+</svg> disccussion</a>.