Basic contribution details

Adds a details pane for contribution records, similar to contributor
profiles.

Just the basic details for now. Can be extended with all kinds of
data, links, icons, etc. from here on.

app/templates/dashboard/contributions/show.hbs

@@ -1,16 +1,47 @@
 <section id="contribution-details">
-  <header>
-    <h2>Details</h2>
+  <header class="with-nav">
+    <h2>Contribution #{{model.id}}</h2>
+    <nav>
+      <span class="amount">{{model.amount}}</span>&nbsp;
+      <span class="symbol">₭S</span>
+    </nav>
   </header>
 
   <div class="content">
+    <p class="who-what-when">
+      <span class="contributor">
+        {{user-avatar contributor=model.contributor}}
+        {{link-to model.contributor.name "dashboard.contributors.show" model.contributor}}
+      </span>
+      contributed
+      <span class="date" title={{model.iso8601Date}}>{{moment-from model.iso8601Date}}</span>:
+    </p>
     <h3>{{model.description}}</h3>
-    <a href={{model.url}}
-       title={{model.description}}
-       class="button"
-       target="_blank"
-       rel="noopener">
-      Open URL
-    </a>
+    <p>
+      Kind: {{model.kind}}
+      <br>Status: {{contribution-status model}}
+    </p>
+    {{#if model.url}}
+      <p>
+        <a href={{model.url}}
+           title={{model.description}}
+           class="button"
+           target="_blank"
+           rel="noopener">
+          Open URL
+        </a>
+      </p>
+    {{/if}}
+  </div>
+
+  <div class="actions">
+    <p>
+      {{#if model.ipfsHash}}
+        <a href="https://ipfs.io/ipfs/{{model.ipfsHash}}"
+           class="button small" target="_blank" rel="noopener">
+          Inspect IPFS data
+        </a>
+      {{/if}}
+    </p>
   </div>
 </section>