Billing / plus frontend (#2130)

* [wip] initial

* [wip] subscriptions/plus frontend

* [wip] finish payment flow

* Charges page

* finish most subscriptions work

* Finish

* update eslint

* Fix issues

* fix intl extract

* fix omorphia locale extract

* fix responsiveness

* fix lint

packages/eslint-config-custom/vue.js

@@ -28,6 +28,7 @@ module.exports = {
   rules: {
     'import/no-default-export': 'off',
     'vue/multi-word-component-names': 'off',
+    'vue/no-multiple-template-root': 'off',
     camelcase: 'off',
     'no-console': 'off',
     'no-bitwise': 'off',