add loading wheel to some slow views
views :
- an event (should solve #693 (closed) )
- events search
- a group
On Event.vue file, the change can seem impressive but I just change <transition appear name="fade" mode="out-in">
to <b-loading :active.sync="$apollo.loading"></b-loading>
. So it changes the indentation of the whole template. But the content is actually unchanged.