Adding tool handling sample and the recruiting scenario for the CallAutomation_AzOpenAI_Voice sample

[gbelenky]

Purpose

• This code demontrates tool calling and adds some code for a recruiting scenario

Does this introduce a breaking change?

[ ] Yes
[x] No
however, the target framework was changed to net8.0 for the CallAutomation_AzOpenAI_Voice sample 

Pull Request Type

What kind of change does this Pull Request introduce?

[ ] Bugfix
[x] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Documentation content changes
[ ] Other... Please describe:

How to Test

• Get the code

git clone [repo-address]
cd [repo-name]
git checkout [branch-name]
npm install

and follow the steps in the README.md file

* Test the code
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## What to Check
Verify that the following are valid
* ...

## Other Information
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