docs(config): added a few missing config options to the docs search

[christopherpickering]

Pull Request Check List

Resolves: #issue-number-here

• [ ] Added tests for changed code.
• [ ] Updated documentation for changed code.

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[codecov[bot]]

Codecov Report

Patch and project coverage have no change.

Comparison is base (8739f4e) 95.35% compared to head (91df98a) 95.35%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #702 +/- ## ======================================= Coverage 95.35% 95.35% ======================================= Files 16 16 Lines 1033 1033 Branches 278 278 ======================================= Hits 985 985 Misses 34 34 Partials 14 14 ```

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[christopherpickering]

:tada: This PR is included in version 1.32.0 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: