Create a new POST /v1/invitations/send endpoint

Only register these endpoints if invitations are allowed ($enableInvitations).

Parameters accepted:

• name - string (invited person’s name)
• invitation_email - string (invited person’s email)
• invitation_note - string (invitation note)
• invite_to_account - integer (optional - account id, if invited to join account)

Returns no object if successful

Exceptions

• UnauthorizedException - if user is inviting to account they are not a member of
• NotFoundException - if user is not a member of the account they are inviting a user to or account is individual and can’t have multiple users