when returning types, return count for each also #117
Description
GET /group/ID/event-types could return
{
'video':22,
'annotation':104,
'marker':1,
'some-other-type':99
}
{{ message }}
GET /group/ID/event-types could return
{
'video':22,
'annotation':104,
'marker':1,
'some-other-type':99
}