add stripe (#121)

* add some stripe stuff

* more stripe stuff

* more stripe things

* more stripr stuff

* more stripe stuff

* more stripe stuff

* add more stuff

* add more stripe stuff

* more stuff

* fix types

apps/web/src/utils/common.ts

@@ -0,0 +1,9 @@
+import { env } from "~/env";
+
+export function isCloud() {
+  return env.NEXT_PUBLIC_IS_CLOUD;
+}
+
+export function isSelfHosted() {
+  return !isCloud();
+}