Pull request CX Mussab 250 start debugging 3.6

<h1>Debugger</h1>
<h2><ul>
<li>Highlighting Line of the current statement </li>
<li>In case Compilation errors show them in the console </li>
<li>Supporting step back to the previous step and forward to the next step</li>
<li>Table of the Variables till the current step</li>
</ul><.h2>