Implement snip hiding

templates/snip/edit.html.twig

@@ -1,6 +1,10 @@
 {% extends 'base/single.column.html.twig' %}
 
-{% set title = 'Snip edit ' ~ snip %}
+{% if snip.id %}
+    {% set title = 'Edit Snip ' ~ snip %}
+{% else %}
+    {% set title = 'Create Snip' %}
+{% endif %}
 
 {% block body %}
     {% if snip.id %}