docs: Make search more strict (#3766)

Author: mrousavy

docs/src/app/(content)/api/search/route.ts

@@ -23,4 +23,7 @@ export const { GET } = createSearchAPI('advanced', {
     ...docsSource.getPages().map(buildIndex),
     ...apiSource.getPages().map(buildIndex),
   ],
+  // Require every query token to match, with Levenshtein-1 typo tolerance.
+  // Without threshold: 0, "camera devices" ranks pages that only mention "camera".
+  search: { threshold: 0, tolerance: 1 },
 })