Add skills block into index.html

[hura-io]

Acceptance criteria

Add a block with user's skills and use the following layout:

<div class="container">
  <div class="resume__block">
    <div class="skills">
      <h3 class="skills__header">Skills</h3>
      <p class="skills__text">
        Problem solving, Continuous Learning, Team Collaboration
      </p>
    </div>
  </div>
</div>