Support sort_by when querying (#2)

README.md

@@ -92,6 +92,13 @@ Any additional settings you want to define per index can be included in the `sta
                 ], 
             ],
         ],
+        'search_options' => [
+            /* 
+                Specify a custom sort by order, see the Typesense documentation for more info:
+                https://typesense.org/docs/guide/ranking-and-relevance.html#ranking-based-on-relevance-and-popularity
+            */
+            'sort_by' => '_text_match(buckets: 10):desc,weighted_score:desc',
+        ],
     ],
 ],
 ```

src/Typesense/Index.php

@@ -103,6 +103,12 @@ public function searchUsingApi($query, array $options = []): Collection
                 ->join(',') ?: '*';
         }
 
+        if (! isset($options['sort_by'])) {
+            if ($sort = Arr::get($this->config, 'settings.search_options.sort_by', false)) {
+                $options['sort_by'] = $sort;
+            }
+        }
+
         $searchResults = $this->getOrCreateIndex()->documents->search($options);
 
         return collect($searchResults['hits'] ?? [])