Rewrite code samples README

Author: kengaderdus

1-Authentication/5-sign-in-express/README.md

@@ -24,6 +24,7 @@ extensions:
 
 # A Node.js & Express web app authenticating users against Azure AD for Customers with MSAL Node
 
+* [Usage](#usage)
 * [Overview](#overview)
 * [Scenario](#scenario)
 * [Contents](#contents)
@@ -35,6 +36,14 @@ extensions:
 * [Contributing](#contributing)
 * [Learn More](#learn-more)
 
+## Usage
+
+|          Instruction  |                Description                 |
+|-----------------------|--------------------------------------------|
+| **App integration use case**          | This code samples applies to **customer app integration uses case**![Yes button](yes.png "Title"). If you're looking for a workforce integration use [Tutorial: Enable a Node.js (Express) application to sign in users by using Microsoft Entra ID](https://github.com/Azure-Samples/ms-identity-docs-code-javascript)                |
+| **Scenario**        | Sign in users. |
+| **Official documentation**           |   Use the instructions in this page to learn how to run this code sample or use our docs at [Microsoft Entra External ID for customers documentation](https://learn.microsoft.com/azure/active-directory/external-identities/customers/)     |
+
 ## Overview
 
 This sample demonstrates a Node.js & Express web app that lets users sign-in with Azure Active Directory Consumers Identity and Access Management (Azure AD for Customers) using the [Microsoft Authentication Library for Node](https://github.com/AzureAD/microsoft-authentication-library-for-js/tree/dev/lib/msal-node) (MSAL Node).