"autoRenew" deprecation notice should link to new functionallity

[flaviut]

Describe the bug

When I read the README.md file around autoRenew, I see there's a deprecation notice:

Moved to TokenService.

However, when I click the link on TokenService, I don't get taken anywhere since it is a dead link. Ditto for SyncStorageService.

In addition, I'm not able to find any documentation for either TokenService or SyncStorageService in the readme or anywhere else.

Reproduction Steps?

navigate to https://github.com/okta/okta-auth-js/blob/master/README.md#autorenew

SDK Versions

  System:
    OS: macOS 13.6.4
    CPU: (16) x64 Intel(R) Core(TM) i9-9980HK CPU @ 2.40GHz
    Memory: 381.65 MB / 32.00 GB
    Shell: 5.9 - /bin/zsh
  Binaries:
    Node: 18.19.1 - /usr/local/bin/node
    Yarn: 1.22.21 - /usr/local/bin/yarn
    npm: 10.2.4 - /usr/local/bin/npm
    Watchman: 2024.01.22.00 - /usr/local/bin/watchman
  Browsers:
    Chrome: 122.0.6261.112
    Safari: 17.3.1

Additional Information?

No response