update readme and gen yaml for beta version release

.speakeasy/gen.yaml

@@ -19,7 +19,7 @@ info:
   version: ""
   description: Packagist library which integrates with Shippo Multi Carrier Shipping API. This library provides access to Shippo (goshippo.com) API capabilities. Including label generation, rating, tracking and more.
 php:
-  version: 0.1.0
+  version: 3.0.0-beta.1
   author: Shippo
   clientServerStatusCodesAsErrors: true
   defaultErrorName: SDKError

README.md

@@ -32,8 +32,6 @@ Shippo external API.: Use this API to integrate with the Shippo service
 <!-- Start SDK Installation [installation] -->
 ## SDK Installation
 
-### Composer
-
 The SDK relies on [Composer](https://getcomposer.org/) to manage its dependencies.
 
 To install the SDK first add the below to your `composer.json` file:
@@ -63,6 +61,7 @@ composer update
 ## SDK Example Usage
 
 ### Example
+
 ```php
 declare(strict_types=1);