Update default.html

Author: sichkar-valentyn

docs/_layouts/default.html

@@ -38,8 +38,13 @@ <h2 id="project_tagline">Implementing Reinforcement Learning, namely Q-learning
     </div>
 
     <!-- MAIN CONTENT -->
-    <div>
+    <div id="main_content_wrap" class="outer">
+      <section id="main_content" class="outer">
+        
+        
       <img src="/Reinforcement_Learning_in_Python/images/Valentyn-Sichkar.png" alt="Valentyn Sichkar" width="150" height="150" />
+        
+        </section>
     </div>
     <div id="main_content_wrap" class="outer">
       <section id="main_content" class="inner">