:bug: hiding dates for events and exhibitions with nothing set | #157

vue-theme/src/pages/single.vue

             //- p(v-if="singlePost.subtypes") subtypes: {{ singlePost.subtypes }}
 
             .date-info(v-if="['exhibition', 'event'].includes(type)")
-                p start: {{ dateFrom(singlePost.start, type == 'event') }}
-                p end: {{ dateFrom(singlePost.end, type == 'event') }}
+                p(v-if="singlePost.start") start: {{ dateFrom(singlePost.start, type == 'event') }}
+                p(v-if="singlePost.end") end: {{ dateFrom(singlePost.end, type == 'event') }}
 
         //- WP main content
         section.content(v-html="singlePost.content")