chore: reorganize docs apps (#7228)

* reorganize docs apps

* add README

* fix directory

* add condition for old docs

www/apps/user-guide/app/settings/store/page.mdx

@@ -0,0 +1,51 @@
+---
+sidebar_position: 2
+sidebar_label: "Store"
+---
+
+import { EllipsisHorizontal } from "@medusajs/icons"
+
+export const metadata = {
+  title: `Manage Store`,
+}
+
+# {metadata.title}
+
+In this document, you’ll learn how to edit the store’s details and available currencies.
+
+## Edit Store Details
+
+To edit the store’s details:
+
+1. Go to Settings → Store.
+2. Click the Edit button in the Store Selection.
+3. In the drawer that opens, edit any of the store's details.
+4. Once you're done, click the Save button.
+
+---
+
+## Add Currencies
+
+To add currencies to your store:
+
+1. Go to Settings → Store.
+2. Click on the Add button in the Currencies section.
+3. In the form that opens, check the checkbox next to the currencies to add.
+4. Once you're done, click the Save button.
+
+---
+
+## Remove Currencies
+
+<Note>
+
+If you remove a currency, you can still add it again in the future.
+
+</Note>
+
+To remove a currency:
+
+1. Go to Settings → Store.
+2. Under the Currencies section, check the checkbox next to the currencies you want to remove.
+3. Once you're done, press <Kbd>R</Kbd> to remove the currencies.
+4. Confirm removing the currencies by clicking the Remove button in the pop-up.