Guide on how to enable multiple subscriptions for single email (#6877)

* Guide on how to enable multiple subscriptions for single email

* few changes

* format

* format

* Update docs.json

---------

Co-authored-by: Rishi <[email protected]>

Author: shubhi2000

docs/assets/guides/enable-multiple-subscription/enable-multiple-subs.png

@@ -509,7 +509,7 @@
       {
         "tab": "Guides",
         "icon": "book-open",
-        "pages": ["guides/introduction", "guides/variants", "guides/disable-subscription-changes-in-customer-portal"]
+        "pages": ["guides/introduction", "guides/variants", "guides/disable-subscription-changes-in-customer-portal", "guides/allow-multiple-subscriptions-per-customer"]
       },
       {
         "tab": "Changelog",

docs/assets/guides/enable-multiple-subscription/save-enabled-multiple-subs.png

@@ -0,0 +1,23 @@
+---
+title: "How to allow multiple subscriptions per customer"
+sidebarTitle: "Allow multiple subscriptions per customer"
+description: "Learn how to allow multiple subscriptions per customer in Polar."
+---
+
+<Steps>
+    <Step title = "Go to Organization Settings">
+        In the Polar dashboard sidebar, click on **Settings**.
+            You can also go directly to:  
+            `https://polar.sh/dashboard/${org_slug}/settings`  
+        Scroll down to **Subscriptions** section.
+        <img height="200" src="/assets/guides/enable-multiple-subscription/settings.png" />
+    </Step>
+    <Step title = "Toggle Allow multiple subscriptions">
+        **Toggle ON** Allow multiple subscriptions to allow multiple subscriptions per customer.
+        <img height="200" src="/assets/guides/enable-multiple-subscription/enable-multiple-subs.png" />
+    </Step>
+    <Step title = "Save the changes">
+        Click **Save** in the **Subscriptions** section to save the changed settings.
+        <img height="200" src="/assets/guides/enable-multiple-subscription/save-enabled-multiple-subs.png" />
+    </Step>
+</Steps>