[docs] reorder items for configuration reference page (#9815)

* docs-config-ref-order

* Update packages/astro/src/@types/astro.ts

Co-authored-by: Reuben Tier <64310361+TheOtterlord@users.noreply.github.com>

* Update packages/astro/src/@types/astro.ts

Co-authored-by: Reuben Tier <64310361+TheOtterlord@users.noreply.github.com>

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Co-authored-by: Nate Moore <natemoo-re@users.noreply.github.com>
Co-authored-by: Reuben Tier <64310361+TheOtterlord@users.noreply.github.com>