POST /cards: allow setting card members

if members isn't specified then the authorId will be the only member of the card, otherwise the provided members attribute will be used

models/cards.js

@@ -489,6 +489,7 @@ if (Meteor.isServer) {
     const paramBoardId = req.params.boardId;
     const paramListId = req.params.listId;
     const check = Users.findOne({_id: req.body.authorId});
+    const members = req.body.members || [req.body.authorId];
     if (typeof  check !== 'undefined') {
       const id = Cards.direct.insert({
         title: req.body.title,
@@ -498,7 +499,7 @@ if (Meteor.isServer) {
         userId: req.body.authorId,
         swimlaneId: req.body.swimlaneId,
         sort: 0,
-        members: [req.body.authorId],
+        members: members,
       });
       JsonRoutes.sendResult(res, {
         code: 200,