Add import Wekan board feature

client/components/import/trelloMembersMapper.js

@@ -0,0 +1,14 @@
+export function getMembersToMap(data) {
+  // we will work on the list itself (an ordered array of objects) when a
+  // mapping is done, we add a 'wekan' field to the object representing the
+  // imported member
+  const membersToMap = data.members;
+  // auto-map based on username
+  membersToMap.forEach((importedMember) => {
+    const wekanUser = Users.findOne({ username: importedMember.username });
+    if (wekanUser) {
+      importedMember.wekanId = wekanUser._id;
+    }
+  });
+  return membersToMap;
+}