Quote BookStack values

Some strings contain spaces or special characters and should be quoted.

Signed-off-by: Georg Pfuetzenreuter <mail@georg-pfuetzenreuter.net>

salt/profile/bookstack/init.sls

@@ -27,7 +27,7 @@ bookstack_permissions:
         {%- if mypillar[option] is string and mypillar[option].startswith('$') or mypillar[option] is number %}
         {%- set value = mypillar[option] %}
         {%- else %}
-        {%- set value = mypillar[option] | quote %}
+        {%- set value = "'" ~ mypillar[option] ~ "'" | quote %}
         {%- endif %}
         {{ option | upper }}: {{ value }}
         {%- endif -%}