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/assets/icons/card.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect width="20" height="14" x="2" y="5" rx="2"/><line x1="2" x2="22" y1="10" y2="10"/></svg>