mkdocs-material/material/partials/header.html

<header class="md-header">
  <nav class="md-header-nav md-grid">
    <div class="md-flex">
      <div class="md-flex__cell md-flex__cell--shrink">
        <label class="md-icon md-icon--menu md-header-nav__icon" for="drawer"></label>
      </div>
      <div class="md-flex__cell md-flex__cell--stretch">
        <span class="md-flex__ellipsis md-header-nav__title">
          {{ page_title | default(site_name, true) }}
        </span>
      </div>
      <div class="md-flex__cell md-flex__cell--shrink">
        <label class="md-icon md-icon--search md-header-nav__icon" for="search"></label>
        {% include "partials/search.html" %}
      </div>
      {% if "github." in repo_url %}
        {% set platform = "md-source--github" %}
      {% elif "gitlab." in repo_url %}
        {% set platform = "md-source--gitlab" %}
      {% elif "bitbucket." in repo_url %}
        {% set platform = "md-source--bitbucket" %}
      {% else %}
        {% set platform = "" %}
      {% endif %}
      <div class="md-flex__cell md-flex__cell--shrink">
        <a href="{{ repo_url }}" title="Go to repository" class="md-source {{ platform }}">
          <div class="md-source__repository">{{ repo_name }}</div>
          <ul class="md-source__facts">
            <li class="md-source__fact">v0.2.4</li>                             
          </ul>
        </a>
      </div>
    </div>
  </nav>
</header>