v1.8: Search cut-off

[guimachiavelli]

v1.8 sets a 1500ms timeout to prevent search requests from taking too long. This value can be customized with a new index setting sub-route.

Tasks

• Update index settings page
• Create new index subroutes page

Reference

• PRD: https://meilisearch.notion.site/Search-cutoff-usage-fb5e9a07a7624965a541d0a6f8eb37bc
• engine issue: Implement a search cutoff meilisearch#4488
• SME: @irevoire