inject node_deployment info into change_form for slice admin
diff --git a/planetstack/templates/admin/core/slice/change_form.html b/planetstack/templates/admin/core/slice/change_form.html
new file mode 100644
index 0000000..035b730
--- /dev/null
+++ b/planetstack/templates/admin/core/slice/change_form.html
@@ -0,0 +1,12 @@
+{% extends 'admin/change_form.html' %}
+{% block extrahead %}
+{{ block.super }}
+<script>
+deployment_nodes = [
+{% for dn in deployment_nodes %}
+ [{{ dn.0 }}, {{ dn.1 }} , "{{ dn.2 }}"],
+{% endfor %}
+];
+</script>
+{% endblock %}
+