fixed search index collection schema for producers

app/Producers.php

@@ -72,6 +72,33 @@ class Producers extends JikanApiSearchableModel
         ];
     }
 
+    public function getCollectionSchema(): array
+    {
+        return [
+            'name' => $this->searchableAs(),
+            'fields' => [
+                [
+                    'name' => '.*',
+                    'type' => 'auto',
+                ],
+                [
+                    'name' => 'titles',
+                    'type' => 'string',
+                    'optional' => false,
+                    'infix' => true,
+                    'sort' => true
+                ],
+                [
+                    'name' => 'url',
+                    'type' => 'string',
+                    'optional' => false,
+                    'infix' => true,
+                    'sort' => true
+                ],
+            ]
+        ];
+    }
+
     public function typesenseQueryBy(): array
     {
         return [