Add crates.io link to Links

Closes: #45

Author: onur

templates/crate_details.hbs

@@ -15,11 +15,12 @@
           {{#if homepage_url}}<li class="pure-menu-item"><a href="{{homepage_url}}" class="pure-menu-link"><i class="fa fa-home fa-fw"></i> Homepage</a></li>{{/if}}
           {{#if github}}
           <li class="pure-menu-item">
-            <a href="{{repository_url}}" class="pure-menu-link"><i class="fa fa-github-alt fa-fw"></i> <i class="fa fa-star-o fa-fw"></i> {{github_stars}} <i class="fa fa-code-fork fa-fw"></i> {{github_forks}} <i class="fa fa-exclamation-circle fa-fw"></i> {{github_issues}}</a>
+            <a href="{{repository_url}}" class="pure-menu-link"><i class="fa fa-github fa-fw"></i> <i class="fa fa-star-o fa-fw"></i> {{github_stars}} <i class="fa fa-code-fork fa-fw"></i> {{github_forks}} <i class="fa fa-exclamation-circle fa-fw"></i> {{github_issues}}</a>
           </li>
           {{else}}
-          {{#if repository_url}}<li class="pure-menu-item"><a href="{{repository_url}}" class="pure-menu-link">Repository</a></li>{{/if}}
+          {{#if repository_url}}<li class="pure-menu-item"><a href="{{repository_url}}" class="pure-menu-link"><i class="fa fa-code-fork fa-fw"></i> Repository</a></li>{{/if}}
           {{/if}}
+          <li class="pure-menu-item"><a href="https://crates.io/crates/{{name}}" class="pure-menu-link" title="See {{name}} in crates.io"><i class="fa fa-cube fa-fw"></i> Crates.io</a></li>
           <li class="pure-menu-heading">Dependencies</li>
           <li class="pure-menu-item">
             <div class="pure-menu pure-menu-scrollable sub-menu">