Backport of docs: Reference pages for service-router and service-reso…

…lver config entries into release/1.15.x (#17397)

* no-op commit due to failed cherry-picking

* docs: Reference pages for service-router and service-resolver config entries (#17145)

* service-resolve configuration entry reference

* Updates

* missing backtick

* service router configuration entry reference

* link fixes + tab fixes

* link and tab fixes

* link fixes

* service resolver improvements

* hierarchy fixes

* spacing

* links + formatting

* proofing fixes

* mmore fixes

* Apply suggestions from code review

suggestions from code review for service resolver

Co-authored-by: trujillo-adam <47586768+trujillo-adam@users.noreply.github.com>

* policy sections edits

* service router code review

* Tables to sections - service router HCL

* YAML tables to sections

* formatting fixes

* converting tables to sections - service resolver

* final tables to sections

* Adjustments/alignments

* nanosecond fix

* Update website/content/docs/connect/config-entries/service-router.mdx

Co-authored-by: trujillo-adam <47586768+trujillo-adam@users.noreply.github.com>

* link to filter example config

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Co-authored-by: trujillo-adam <47586768+trujillo-adam@users.noreply.github.com>

* Update website/content/docs/connect/config-entries/service-resolver.mdx

* merge fix

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Co-authored-by: temp <temp@hashicorp.com>
Co-authored-by: Jeff Boruszak <104028618+boruszak@users.noreply.github.com>
Co-authored-by: trujillo-adam <47586768+trujillo-adam@users.noreply.github.com>
Co-authored-by: boruszak <jeffrey.boruszak@hashicorp.com>