demonstrate graph sdk usage

[derisen]

Purpose

• This PR adds a service that handles calls to MS Graph, using the Microsoft Graph JS SDK. It demonstrates how to use MSAL as a custom authentication provider for the Graph SDK client
• Also updates packages and dependencies

Does this introduce a breaking change?

[ ] Yes
[ x ] No

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 https://github.com/Azure-Samples/ms-identity-javascript-tutorial.git
cd ms-identity-javascript-tutorial/2-Authorization-I/App
git checkout add-graph-sdk
npm install

• Test the code

Register an app and run the sample

What to Check

Verify that the following are valid

• graph.js