message: Simplify repository link display in the topbar
diff: {%- if krate.github_metadata -%}
  <li class="pure-menu-item">
  <a href="{{ krate.repository_url }}" class="pure-menu-link">
  - {{ "github" | fab(fw=true) }}
  - {{ "star" | fas(fw=true) }} {{ krate.github_metadata.stars }}
  - {{ "code-branch" | fas(fw=true) }} {{ krate.github_metadata.forks }}
  - {{ "exclamation-circle" | fas(fw=true) }} {{ krate.github_metadata.issues }}
  + {{ "code-branch" | fas(fw=true) }} Repository
  </a>
  </li>
  