Update default.html

Author: sichkar-valentyn

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     <link rel="stylesheet" type="text/css" media="screen" href="{{ '/assets/css/style.css?v=' | append: site.github.build_revision | relative_url }}">
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 <title>Reinforcement Learning in Python - Valentyn Sichkar</title>
@@ -32,8 +33,8 @@ <h1 id="project_title">Reinforcement Learning in Python</h1>
           <h2 id="project_tagline">Implementing Reinforcement Learning, namely Q-learning and Sarsa algorithms, for global path planning of mobile robot in unknown environment with obstacles. Comparison analysis of Q-learning and Sarsa</h2>
 
           <a href="https://sichkar-valentyn.github.io">Valentyn Sichkar</a>
-          &nbsp;&nbsp;<a href="https://ifmo.academia.edu/ValentynSichkar" target="_blank">Academia.edu</a>
-          &nbsp;&nbsp;<a href="https://www.youtube.com/channel/UCHlzRR0y54SLbcHwLzrUcfw" target="_blank">YouTube</a>        
+          &nbsp;&nbsp;&nbsp;<a href="https://ifmo.academia.edu/ValentynSichkar" target="_blank">Academia.edu</a>
+          &nbsp;&nbsp;&nbsp;<a href="https://www.youtube.com/channel/UCHlzRR0y54SLbcHwLzrUcfw" target="_blank">YouTube</a>        
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