* change database schema based on new user flow
* Add offer db implementation
* Change credit duration unit to all be days
* revert back to use cent to be the unit for credit
* Add comments for schema
* add type back for mockup design
* init doc
* Add link to offer types table
* Correct title
* Update Credits interface
* Add another question
* Add steps for configure segment.io for different satellite
* Update database design
Change database schema
* Address comments
* Add explaination on how to restrict access to the private port
* rename file
* Add credits_used column and offer update limit
* Change credits to be integer
* Remove extra blank lines
