Moved default page to "packages" controller.

Using a partial template to render search results.

Show packages by default even without a query.

app/views/packages/_packages_search_results.html.erb

@@ -0,0 +1,11 @@
+<%# Show search results %>
+
+<% if @packages %>
+<ul>
+  <% @packages.each do |package| %>
+  <li>
+    <%= package.name %> <i>(<%= package.description %>)</i>
+  </li>
+  <% end %>
+</ul>
+<% end %>