feat(dashboard,types): add credit lines + loyalty changes (#11885)

* feat(dashboard,types): add credit lines + loyalty changes

* chore: fix types

* chore: fix specs

* chore: use correct plugin name

* chore: use new currency input

---------

Co-authored-by: Oli Juhl <59018053+olivermrbl@users.noreply.github.com>

packages/admin/dashboard/src/lib/plugins.ts

@@ -0,0 +1,7 @@
+import { HttpTypes } from "@medusajs/types"
+
+export const LOYALTY_PLUGIN_NAME = "@medusajs/loyalty-plugin"
+
+export const getLoyaltyPlugin = (plugins: HttpTypes.AdminPlugin[]) => {
+  return plugins?.find((plugin) => plugin.name === LOYALTY_PLUGIN_NAME)
+}