Update docs on CAE support in MSAL Java

[DidunAyodeji]

Update docs to show how to implement CAE with MSAL Java.

https://learn.microsoft.com/en-us/entra/identity-platform/app-resilience-continuous-access-evaluation?tabs=dotnet

Related work items that need to be done first: #757 #794

[localden]

Where applicable, @DidunAyodeji - let's make sure that we don't over-complicate the samples that don't need CAE and instead point to relevant documentation (which means we need to have comprehensive docs on CAE in MSAL4J).

[DidunAyodeji]

Thanks Bogdan! Sounds good Den