Add AWS configuration examples (#74)

README.md

@@ -1,4 +1,5 @@
 # Laravel Scout OpenSearch
+
 <p align="center">
 <a href="https://github.com/zingimmick/laravel-scout-opensearch/actions"><img src="https://github.com/zingimmick/laravel-scout-opensearch/actions/workflows/tests.yml/badge.svg" alt="Build Status"></a>
 <a href="https://codecov.io/gh/zingimmick/laravel-scout-opensearch"><img src="https://codecov.io/gh/zingimmick/laravel-scout-opensearch/branch/3.x/graph/badge.svg" alt="Code Coverage" /></a>
@@ -53,6 +54,40 @@ class SearchableModel extends Model
 }
 ```
 
+### Configuration for Amazon OpenSearch Service
+
+```php
+return [
+    // ...
+    'opensearch' => [
+        'hosts' => [env('OPENSEARCH_HOST', 'localhost:9200')],
+        'basicAuthentication' => [env('OPENSEARCH_USERNAME', 'admin'), env('OPENSEARCH_PASSWORD', 'admin')],
+        'retries' => env('OPENSEARCH_RETRYS', 2),
+        'sigV4Region' => env('OPENSEARCH_REGION', 'us-east-1') ,
+        'sigV4Service' => env('OPENSEARCH_SERVICE', 'es') ,
+        'sigV4CredentialProvider' => [
+            'key' => env('OPENSEARCH_IAM_KEY'),
+            'secret' => env('OPENSEARCH_IAM_SECRET'),
+        ],
+    ],
+];
+```
+
+### Debug and logging
+
+```php
+return [
+    // ...
+    'opensearch' => [
+        'hosts' => [env('OPENSEARCH_HOST', 'localhost:9200')],
+        'basicAuthentication' => [env('OPENSEARCH_USERNAME', 'admin'), env('OPENSEARCH_PASSWORD', 'admin')],
+        'retries' => env('OPENSEARCH_RETRYS', 2),
+        'logger' => (new \Monolog\Logger('opensearch'))->pushHandler(new \Monolog\Handler\RotatingFileHandler('opensearch.log')),
+        'tracer' => (new \Monolog\Logger('opensearch'))->pushHandler(new \Monolog\Handler\RotatingFileHandler('opensearch.log')),
+    ],
+];
+```
+
 ## License
 
 Laravel Scout OpenSearch is an open-sourced software licensed under the [MIT license](LICENSE).