chore(docs): use client instead of package name in Node examples (#37)

README.md

@@ -22,7 +22,7 @@ The full API of this library can be found in [api.md](api.md).
 ```js
 import Metronome from '@metronome/sdk';
 
-const metronome = new Metronome({
+const client = new Metronome({
   bearerToken: process.env['METRONOME_BEARER_TOKEN'], // This is the default and can be omitted
 });
 
@@ -50,7 +50,7 @@ This library includes TypeScript definitions for all request params and response
 ```ts
 import Metronome from '@metronome/sdk';
 
-const metronome = new Metronome({
+const client = new Metronome({
   bearerToken: process.env['METRONOME_BEARER_TOKEN'], // This is the default and can be omitted
 });
 
@@ -117,7 +117,7 @@ You can use the `maxRetries` option to configure or disable this:
 <!-- prettier-ignore -->
 ```js
 // Configure the default for all requests:
-const metronome = new Metronome({
+const client = new Metronome({
   maxRetries: 0, // default is 2
 });
 
@@ -134,7 +134,7 @@ 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 metronome = new Metronome({
+const client = new Metronome({
   timeout: 20 * 1000, // 20 seconds (default is 1 minute)
 });
 
@@ -158,7 +158,7 @@ You can also use the `.withResponse()` method to get the raw `Response` along wi
 
 <!-- prettier-ignore -->
 ```ts
-const metronome = new Metronome();
+const client = new Metronome();
 
 const response = await metronome.alerts
   .create({ alert_type: 'spend_threshold_reached', name: '$100 spend threshold reached', threshold: 10000 })
@@ -269,7 +269,7 @@ import http from 'http';
 import { HttpsProxyAgent } from 'https-proxy-agent';
 
 // Configure the default for all requests:
-const metronome = new Metronome({
+const client = new Metronome({
   httpAgent: new HttpsProxyAgent(process.env.PROXY_URL),
 });