message: fix(storage): downgrade to 2.2.0
diff: "@ionic-native/device-motion": "^5.19.1",
  "@ionic-native/diagnostic": "^5.7.0",
  "@ionic/angular": "5.3.1",
  - "@ionic/storage": "^2.2.0",
  + "@ionic/storage": "2.2.0",
  "@ngx-translate/core": "^13.0.0",
  "@zxing/ngx-scanner": "1.3.0",
  "airgap-coin-lib": "0.9.3-beta.4",
  