Add documentation for acquireTokenInteractive in msal-node

[tnorling]

Adds documentation for acquireTokenInteractive in msal-node and updates relevant FAQ entry

[Copilot]

Pull Request Overview

This PR adds documentation for the new acquireTokenInteractive API in MSAL Node and updates related samples and FAQs.

• Introduces an acquireTokenInteractive section with code samples for PublicClientApplication
• Refactors getAuthCodeUrl and acquireTokenByCode sections with consistent examples
• Updates the FAQ to reference the new interactive flow API

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
lib/msal-node/docs/request.md	Added acquireTokenInteractive docs; updated code samples for auth-code flow
lib/msal-node/docs/faq.md	Updated FAQ to acknowledge interactive flow support

Comments suppressed due to low confidence (3)

lib/msal-node/docs/request.md:43

• [nitpick] Use a third-level header (###) for getAuthCodeUrl to match the surrounding section hierarchy.

## getAuthCodeUrl

lib/msal-node/docs/request.md:54

• Add an import statement for ConfidentialClientApplication (e.g. import { ConfidentialClientApplication } from "@azure/msal-node";) so readers can run this snippet as-is.

const cca = new ConfidentialClientApplication({

lib/msal-node/docs/faq.md:42

• Verify that the link anchor matches the header in request.md (likely #acquiretokeninteractive when rendered) to ensure the FAQ link resolves correctly.

Yes, there is an all-in-one `acquireTokenInteractive` API available for `PublicClientApplication` scenarios. Please read more about this API [here](./request.md#acquireTokenInteractive)