Add wishlist/Interests for participants

[Andrew-A-Cruz]

Every user who signs into a group ID should be prompted to add interests or a wishlist so that whoever gets this person can have an idea of what they like.

[jw5374]

I'm thinking this will most likely be implemented through changing the groupMembers array from:

• Array of email strings -> Array of objects

With the object being something like

{
    memberEmail: "someguy@example.com",
    giftSuggestions: "some comment about interests"
}