message: doc: add missing import
  Add a missing import to initialize the graph client when using npm
diff: @@ -32,6 +32,7 @@ Using npm:
  import { PublicClientApplication, InteractionType, AccountInfo } from "@azure/msal-browser";
  import { AuthCodeMSALBrowserAuthenticationProvider, AuthCodeMSALBrowserAuthenticationProviderOptions } from "@microsoft/microsoft-graph-client/authProviders/authCodeMsalBrowser";
  + import { Client } from "@microsoft/microsoft-graph-client";
  const options:AuthCodeMSALBrowserAuthenticationProviderOptions: {
  account: account, // the AccountInfo instance to acquire the token for.
  