add: onelead dashboard image and meta review note

Author: krushit-dudhat

docs/assets/onelead_dashboard.png

@@ -16,4 +16,11 @@ With OneLead's **Google Lead Integration**, you can fetch leads directly from **
 - 📊 **Lead tracking & assignment** based on business rules.
 - 🔗 **Webhook-based integration** for real-time updates.
 
+## Sneak Peek 👀
+
+Here’s a quick look at the **OneLead Dashboard** — your central hub for managing and tracking leads from all sources.
+
+!!! info "OneLead Dashboard Preview"
+    ![OneLead Dashboard](../assets/onelead_dashboard.png)
+
 Proceed to **Meta Integration** for detailed setup instructions.

docs/onelead/index.md

@@ -18,6 +18,14 @@ OneLead provides **seamless integration with Meta (Facebook) Lead Ads**, ensurin
 
 For a complete guide on **Meta Webhook Configuration**, go to [Meta Webhook Config](setup.md).
 
+> **Note**
+> If you're using the Meta integration **for your own business (one business account)**, you **do not need to submit your app for Meta App Review**. Just make sure the person setting it up:
+> - Is the **Page Owner** or has **Ads Management access**, and
+> - Has the appropriate role (Admin/Developer) on the Meta App.
+>
+> However, if you intend to make this integration available for **multiple businesses or third-party use**, Meta AppReview is required.
+> ⚠️ As of now, OneLead’s current codebase **does not support multi-business integration**, so external use isn't supported yet.
+
 ## Next Steps
 - [Meta App Setup](setup.md)
 - [Meta Form Mapping](meta_form_mapping.md)