Upgrade Doks to the PL docs-starter

[salmad3]

To do when docs-starter is in a stable state.

Done Criteria

• Upgrade the current Doks theme configuration to the docs-starter package.

Why Important

This marks the next step in the Doks migration. The docs starter package adds additional functionality to the Doks theme. One notable one is the reintroduction of tabs.

Notes

Created by @johnnymatthews who can act as the SME.