example(bindings): Add session resumption example

[goatgoose]

Description of changes:

Adds an example that demonstrates how the application context added in https://github.com/aws/s2n-tls/pull/4563 can be used to associate application data with received session tickets.

Call-outs:

None

Testing:

I ran the example server and client locally.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.