Support for accessing the underlying Gemini Client

Closes #9

README.md

@@ -29,6 +29,7 @@ _This library is not developed or endorsed by Google._
     - [Text Embeddings](#text-embeddings)
     - [Tokens counting](#tokens-counting)
     - [Listing models](#listing-models)
+    - [Accessing the underlying Gemini API client](#accessing-the-underlying-gemini-api-client)
 - [Credits](#credits)
 
 ## Installation
@@ -198,6 +199,14 @@ print_r(Gemini::listModels());
 //]
 ```
 
+### Accessing the underlying Gemini API client
+
+```php
+use GeminiAPI\Laravel\Facades\Gemini;
+
+$client = Gemini::client();
+```
+
 ## Credits
 
 This project was inspired by the great work of [OpenAI PHP for Laravel](https://github.com/openai-php/laravel) and [OpenAI PHP client](https://github.com/openai-php/client).

src/Facades/Gemini.php

@@ -4,6 +4,7 @@
 
 namespace GeminiAPI\Laravel\Facades;
 
+use GeminiAPI\ClientInterface;
 use GeminiAPI\Laravel\ChatSession;
 use GeminiAPI\Resources\Model;
 use Illuminate\Support\Facades\Facade;
@@ -18,6 +19,7 @@
  * @method static string generateTextUsingImageFile(string $imageType, string $imagePath, string $prompt = '')
  * @method static ChatSession startChat(array $history)
  * @method static Model[] listModels()
+ * @method static ClientInterface client()
  */
 class Gemini extends Facade
 {

src/Gemini.php

@@ -200,4 +200,9 @@ public function listModels(): array
 
         return $response->models;
     }
+
+    public function client(): ClientInterface
+    {
+        return $this->client;
+    }
 }