added new endpoints
PUT /api/v1/summits/{id}/metrics/enter
required scopes
%s/me/summits/metrics/write
s/me/summits/events/enter
POST /api/v1/summits/{id}/metrics/leave
payload
type (string:in[GENERAL,LOBBY,EVENT,SPONSOR])
source_id (int[event id or sponsor id])
required scopes
%s/me/summits/events/leave
%s/me/summits/metrics/write
Change-Id: I46babe9d92832da02fe175f0d6cbcfd26bb037ad
Signed-off-by: smarcet <smarcet@gmail.com>