docs: Add sections for Features, Guidance, and Resources in README

Author: Kanchan-Microsoft

README.md

@@ -41,6 +41,8 @@ The sample data includes synthetic product catalogs and brand guidelines. The da
 
 <br/>
 
+## Features
+
 ### Key features
 <details open>
   <summary>Click to learn more about the key features this solution enables</summary>
@@ -82,6 +84,8 @@ Follow the quick deploy steps on the deployment guide to deploy this solution to
 
 <br/>
 
+## Guidance
+
 ### Prerequisites and costs
 
 To deploy this solution accelerator, ensure you have access to an [Azure subscription](https://azure.microsoft.com/free/) with the necessary permissions to create **resource groups, resources, app registrations, and assign roles at the resource group level**. This should include Contributor role at the subscription level and  Role Based Access Control role on the subscription and/or resource group level. Follow the steps in [Azure Account Set Up](./content-gen/docs/AzureAccountSetUp.md).
@@ -98,6 +102,8 @@ _Note: This is not meant to outline all costs as selected SKUs, scaled use, cust
 
 <br/>
 
+## Resources
+
 | Product | Description | Cost |
 |---|---|---|
 | [Azure AI Foundry](https://learn.microsoft.com/en-us/azure/ai-foundry/) | Free tier. Build generative AI applications on an enterprise-grade platform. | [Pricing](https://azure.microsoft.com/pricing/details/ai-studio/) |