docs: add missing documentation for new features (checkout auto-registration, visual builder sections, appearance toggles, software & subscription guides)

contents/docs/store/subscriptions/index.mdx

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+---
+title: Subscriptions Guide
+description: Configuring and managing recurring payments.
+---
+
+WooNooW's Subscriptions module seamlessly integrates with your store, enabling recurring revenue streams for your products or services.
+
+## Setup Requirements
+To use Subscriptions, ensure:
+1. The **Subscriptions** module is toggled ON under **WooNooW > Settings > Modules**.
+2. Your payment gateway supports tokenization / recurring payments (e.g., Stripe, PayPal).
+
+## Creating a Subscription Product
+1. Go to **Products > Add New** in WordPress.
+2. In the Product Data dropdown, select **Simple Subscription** or **Variable Subscription**.
+3. Configure the billing schedule:
+   - **Subscription Price:** The recurring amount (e.g., $15).
+   - **Billing Interval/Period:** How often they are charged (e.g., every 1 month).
+   - **Expire After:** When the subscription automatically ends (leave empty for "Never expire").
+   - **Sign-up Fee:** Optional one-time fee added to the first payment.
+   - **Free Trial:** Offer an initial period at no cost (e.g., 14 days).
+4. Publish the product.
+
+## Managing Subscriptions (Admin)
+Store owners can view and manage all active, paused, or cancelled subscriptions directly from the Admin SPA.
+1. Navigate to **Store > Subscriptions**.
+2. Click on any Subscription ID to view details.
+3. From the detail view, you can:
+   - **Pause** an active subscription.
+   - **Cancel** a subscription.
+   - **Change Next Payment Date**.
+   - **Process Renewal** manually.
+
+## Customer Experience
+When a customer purchases a subscription, they gain access to a self-service dashboard in their account:
+1. Customers navigate to **My Account > Subscriptions**.
+2. They can view the status, next payment date, and associated orders.
+3. They have full autonomy to actions like **Pause**, **Resume**, or **Cancel** their own subscriptions based on the permissions you configure in the module settings.
+4. If a payment fails, customers will see a clear **Pay Now** button to update their billing details.
+
+## Automated Emails
+The notification system automatically handles subscription lifecycle events:
+- **New Subscription:** Welcome email for the recurring plan.
+- **Renewal:** Receipt for a successful periodic charge.
+- **Failed Renewal:** Action required notification to update payment info.
+- **Cancelled/Expired:** Confirmation of plan termination.
+
+You can customize these templates under **Settings > Notifications**.