Add link to offers in home

pflaenzli/pflaenzli/templates/app/index.html

@@ -13,8 +13,11 @@
       </p>
       <hr />
       <p>To offer your plants, please register first.</p>
-      <a href="{% url 'register_user' %}"
+      <a href="{% url 'list_offers' %}"
          class="btn btn-pfl btn-lg mb-3"
+         type="button">Show Offers</a>
+      <a href="{% url 'register_user' %}"
+         class="btn btn-secondary btn-lg mb-3"
          type="button">Register</a>
     </div>
   </div>