Matching people up for coffee.
People signup with their name/email and then they get an email, every Monday to opt in/out for the Friday meetup.
People collection:
people: [
{
"name": "name",
"email": "email",
"emailConfirmed": false,
"availability": "morning" / "afternoon" / "both" / "none",
"previousMatches": [
<person>
]
}, ...
]