* archive old referral offer doc
* init referral manager
* add Referral Manager CLI definition
* add draft implementation steps
* use existing registration_token table for storing invitation tokens
* fix numbering
* add open question about auth
* wip pseudocode
* add user interface design
* separate token generation step from getting users step
* change button to be a referral tab on the UI
* simplify some sentences. clarified CLI referral manager interaction
* add prevent two processes running at the same time
* add cli code
* clear users when CLI exites earlier or referral manager finishes sending tokens to satellites
* use transaction for saving tokens on satellite so we can roll back if error occurs
* add auth token and GetSatelliteURLs
* add schema for satellites table
* update to only have satelite to talk to referral manager
* add definition for eligible users and owner's satellite
* fix indentation
* add saving user info during redeem pseudocode
* wip
* address reviews
* add unredeemed token in users table
* address comments
