Update doc

Author: GeraudBourdin

doc/mistral-client/Basics/quick_start.md

@@ -1,3 +1,5 @@
+# PhpMistral
+
 **PhpMistral** is an **open-source** PHP client designed to interact with various LLM inference servers (like Mistral, Hugging Face TGI, vLLM, Ollama, llama.cpp, xAI, and more), embedding servers, and Hugging Face datasets.  
 It provides a unified interface for chat completions (streaming & non-streaming), embeddings (dense & sparse), reranking, guided JSON generation, document generation, and Hugging Face dataset management.
 
@@ -6,33 +8,53 @@ It provides a unified interface for chat completions (streaming & non-streaming)
 
 ---
 
+## 🛠 PSR-18 Compatible HTTP Client
+
+**PhpMistral** has been fully refactored to comply with **PSR-18** recommendations (PHP Standards Recommendation for HTTP clients).  
+This means you can plug in **any HTTP client** that implements PSR-18, including:
+
+- **Guzzle**
+- **Symfony HttpClient**
+- **cURL-based clients**
+- **Buzz**
+- Any other compliant client!
+
+> [!IMPORTANT]
+> The library does **not lock you** into any specific HTTP client. Choose the one that best fits your framework, performance needs, or preferences.  
+Whether you're using **Symfony**, **Laravel**, or a custom stack, PhpMistral integrates seamlessly into your environment.
+
+This ensures **flexibility**, **interoperability**, and **future-proofing** of your PHP AI integrations.
+
+---
+
 ## Key Features
 
-- **Open-source**:  
-  - Free to use, modify, and contribute to.  
-- **Framework-agnostic**:  
-  - Compatible with any PHP framework (Laravel, Symfony, Slim, custom apps, etc.).  
-- **Multi-backend support**:  
+- **Open-source**:
+  - Free to use, modify, and contribute to.
+- **Framework-agnostic**:
+  - Compatible with any PHP framework (Laravel, Symfony, Slim, custom apps, etc.).
+- **Multi-backend support**:
   - OpenAI, Mistral Platform, Hugging Face TGI, vLLM, Ollama, llama.cpp, xAI, and more.
-- **Chat completions**:  
+- **Chat completions**:
   - Streaming and non-streaming interactions.
-- **Embeddings**:  
+- **Embeddings**:
   - Dense embeddings and sparse embeddings (Splade pooling).
-- **Reranking API**:  
+- **Reranking API**:
   - Compare and rank multiple documents based on a query.
-- **Guided JSON generation**:  
+- **Guided JSON generation**:
   - Ensure structured outputs based on a schema.
-- **Document generation (Mistral)**:  
+- **Document generation (Mistral)**:
   - Generate structured documents directly from models.
-- **Pooling API (vLLM)**:  
+- **Pooling API (vLLM)**:
   - Efficient load balancing across multiple vLLM servers.
-- **Hugging Face Dataset API**:  
+- **Hugging Face Dataset API**:
   - Seamlessly interact with Hugging Face datasets, list files, download, manage, and search datasets directly from PHP.
 
 > [!IMPORTANT]
 > The Hugging Face Dataset API is a **must-have** for anyone working with finetuning or dataset manipulation. Easily list, fetch, and manage datasets from Hugging Face directly in your PHP applications.
 
 ---
+
 ## Supported Providers & Features
 
 ### Core Features
@@ -67,6 +89,7 @@ It provides a unified interface for chat completions (streaming & non-streaming)
 composer require partitech/php-mistral
 ```
 
+
 ---
 
 ## Example Usages