Return the search highlight (#28)

Author: ryanmitchell

src/Typesense/Index.php

@@ -134,6 +134,7 @@ public function searchUsingApi($query, array $options = []): array
                 ->map(function ($result, $i) use ($total) {
                     $result['document']['reference'] = $result['document']['id'];
                     $result['document']['search_score'] = Arr::get($this->config, 'settings.maintain_ranking', false) ? ($total - $i) : (int) ($result['text_match'] ?? 0);
+                    $result['document']['search_highlight'] = $result['highlight'] ?? [];
 
                     return $result['document'];
                 }),