docs: README update

README.md

@@ -1,3 +1,7 @@
+[![npm version](https://img.shields.io/npm/v/openai-enhanced-sdk.svg)](https://www.npmjs.com/package/openai-enhanced-sdk)
+[![Build Status](https://github.com/bgarciaoliveira/openai-enhanced-sdk/actions/workflows/deploy-docs.yml/badge.svg)](https://github.com/bgarciaoliveira/openai-enhanced-sdk/actions)
+[![License](https://img.shields.io/npm/l/openai-enhanced-sdk.svg)](LICENSE)
+
 # OpenAI TypeScript Enhanced SDK
 
 OpenAI Enhanced SDK is a **fully typed** TypeScript SDK that facilitates integration with the OpenAI API. It offers features that the official SDK does not have, such as context management for conversations, proxy support, automatic request retry mechanism, detailed logging system, among others.
@@ -50,14 +54,34 @@ npm install openai-enhanced-sdk
 ## Getting Started
 
 ### Initialization
+```typescript
+import OpenAIClient from '../src/openai-client';
+import { HttpsProxyAgent } from 'https-proxy-agent';
 
-Import and instantiate the `OpenAIClient`:
+const apiKey = process.env.OPENAI_API_KEY;
 
-```typescript
-import OpenAIClient from 'openai-enhanced-sdk';
+// Proxy agent configuration
+const proxyAgent = new HttpsProxyAgent('http://proxy.example.com:8080');
 
-const apiKey = process.env.OPENAI_API_KEY || '';
-const client = new OpenAIClient(apiKey);
+const client = new OpenAIClient(apiKey, {
+  baseURL: 'https://api.openai.com/v1',
+  timeout: 10000,
+  proxyConfig: proxyAgent,
+  axiosConfig: {
+    headers: {
+      'Custom-Header': 'custom-value',
+    },
+  },
+  axiosRetryConfig: {
+    retries: 5,
+    retryDelay: 2000,
+  },
+  loggingOptions: {
+    logLevel: 'info',
+    logToFile: true,
+    logFilePath: 'logs/openai-client.log',
+  },
+});
 ```
 
 ### Authentication