B2B-3725 - BC token as an alternative to B2B

Author: bc-victor

docs/storefront/catalyst/development/b2b.mdx

@@ -26,8 +26,8 @@ To create a B2B storefront on the Catalyst platform, you will need the following
 - Git and a GitHub account. 
 - Node.js and PNPM. 
 - A Vercel account. Using your GitHub account to sign up is recommended for ease. 
-- A V3 BC API token. 
-- A V3 B2B API token. You can retrieve this from the B2B control panel under the "API Accounts" tab by clicking "Create API account." Ensure it is a V3 API token. 
+- A V3 BC API token with Sites and B2B Edition scopes.  
+- **deprecated, please use the above BC API token with scopes** A V3 B2B API token. You can retrieve this from the B2B control panel under the "API Accounts" tab by clicking "Create API account." Ensure it is a V3 API token. 
 
 ### 1. Using Catalyst CLI
 
@@ -57,7 +57,8 @@ Also add the B2B related environment variables:
 
 - B2B_API_HOST: https://api-b2b.bigcommerce.com.
   - This is the domain of the B2B API. NOTE: Make sure this value does not have a trailing slash.
-- B2B_API_TOKEN: The V3 B2B API token obtained during the preparation step. 
+- BIGCOMMERCE_TOKEN_WITH_B2B_SCOPE: A BC store-level access token with B2B edition scopes.
+- **deprecated, please use BIGCOMMERCE_TOKEN_WITH_B2B_SCOPE instead** B2B_API_TOKEN: The V3 B2B API token obtained during the preparation step. 
 
 Once all environment variables are set, we can proceed with deployment.