xhbtr site subscription flow

SketchSystems.spec

xhbtr site subscription flow
  Not Subscribed
    subscribe -> Subscribed
    Trialing*
      trial expires -> Unconverted
    Unconverted
    Terminated  
  
  Subscribed
    terminates subscription -> Terminated
    Paid Up
      misses multiple payments -> Delinquent
    Delinquent
      pays with valid payment source -> Paid Up
      fails to get current -> Terminated

SketchSystems_prototype.js

function render(model){
  let current_state_name = model.active_states[0].name;
  return $("h1",
           {style: {color: "darkBlue"}},
           `The current state is: ${current_state_name}`);
}