feat: add machine rates screen toggle

migrations/1657909035091-rates-screen.js

@@ -0,0 +1,20 @@
+const _ = require('lodash/fp')
+const { saveConfig, loadLatest } = require('../lib/new-settings-loader')
+
+exports.up = function (next) {
+  const newConfig = {}
+  return loadLatest()
+    .then(({ config }) => {
+      if (!_.isNil(config.machineScreens_rates_active)) return
+      newConfig[`machineScreens_rates_active`] = true
+      return saveConfig(newConfig)
+    })
+    .then(next)
+    .catch(err => {
+      return next(err)
+    })
+}
+
+module.exports.down = function (next) {
+  next()
+}