Expire Invites after x days

[cooper667]

If invites are not accepted, there's no point storing them for longer than needed so we should remove them so we're not storing emails we don't use or need.

I think expiring is better than explicit rejection (as I don't think rejection would be used much and expiry handles that use case anyway)

[joshuajames-smith]

Note for me (@joshuajames-smith).

• Add time limit to emails to explain this.

[joshuajames-smith]

If invites are not accepted, there's no point storing them for longer than needed so we should remove them so we're not storing emails we don't use or need.

I think expiring is better than explicit rejection (as I don't think rejection would be used much and expiry handles that use case anyway)

@cooper667 @ChasNelson1990 do have we an idea for how long the invite would last? Do we go with 24hr as a similar standard to other invite expiration cases with other software or do in multiple days?