chore(docs): use client instead of package name in Node examples (#106)

README.md

@@ -22,7 +22,7 @@ The full API of this library can be found in [api.md](api.md).
 ```js
 import Groq from 'groq-sdk';
 
-const groq = new Groq({
+const client = new Groq({
   apiKey: process.env['GROQ_API_KEY'], // This is the default and can be omitted
 });
 
@@ -46,7 +46,7 @@ This library includes TypeScript definitions for all request params and response
 ```ts
 import Groq from 'groq-sdk';
 
-const groq = new Groq({
+const client = new Groq({
   apiKey: process.env['GROQ_API_KEY'], // This is the default and can be omitted
 });
 
@@ -121,7 +121,7 @@ You can use the `maxRetries` option to configure or disable this:
 <!-- prettier-ignore -->
 ```js
 // Configure the default for all requests:
-const groq = new Groq({
+const client = new Groq({
   maxRetries: 0, // default is 2
 });
 
@@ -138,7 +138,7 @@ Requests time out after 1 minute by default. You can configure this with a `time
 <!-- prettier-ignore -->
 ```ts
 // Configure the default for all requests:
-const groq = new Groq({
+const client = new Groq({
   timeout: 20 * 1000, // 20 seconds (default is 1 minute)
 });
 
@@ -162,7 +162,7 @@ You can also use the `.withResponse()` method to get the raw `Response` along wi
 
 <!-- prettier-ignore -->
 ```ts
-const groq = new Groq();
+const client = new Groq();
 
 const response = await groq.chat.completions
   .create({
@@ -285,7 +285,7 @@ import http from 'http';
 import { HttpsProxyAgent } from 'https-proxy-agent';
 
 // Configure the default for all requests:
-const groq = new Groq({
+const client = new Groq({
   httpAgent: new HttpsProxyAgent(process.env.PROXY_URL),
 });