Add a link to the create page

public/ckanext/harvest/style.css

@@ -1 +1,4 @@
-/* harvest styles */
+/* Harvest styles */
+#new-harvest-source {
+    font-weight: bold;
+}

templates/ckanext/harvest/index.html

@@ -12,6 +12,7 @@
 <div py:match="content">
   <div class="harvest-content">
   <h1>Harvesting Sources</h1>
+    <a id="new-harvest-source" href="harvest/create">Add a harvesting source</a>
     <table id="harvest-sources">
         <tr>
             <th></th>