feat: Update UI to add breadcrumb and change check/X to yes/no

Resolves: #68 (closed)

src/main/resources/templates/eclipse_breadcrumb.html

+<section id="breadcrumb" class="default-breadcrumbs hidden-print">
+  <div class="container">
+    <div class="row">
+      <div class="col-xs-24 padding-left-30">
+        <ol class="breadcrumb">
+          <li><a href="https://www.eclipse.org/">Home</a></li>
+          <li><a href="https://www.eclipse.org/legal/">Legal</a></li>
+          <li><a href="https://www.eclipse.org/legal/ECA.php">ECA</a></li>
+          <li><a href="https://github.com/apps/eclipse-eca-validation">Validation Service</a></li>
+        </ol>
+      </div>
+    </div>
+  </div>
+</section>
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