update readme for v1.0.0 (#35)

* update readme for v1.0.0

* Update composer.json

Co-authored-by: Susi Rathmann <5439308+sushithegreat@users.noreply.github.com>

Author: semarj

README.md

@@ -5,10 +5,9 @@ ShipEngine PHP
 
 [![Build Status](https://github.com/ShipEngine/shipengine-php/workflows/shipengine-php/badge.svg)](https://github.com/ShipEngine/shipengine-php/actions)
 [![Coverage Status](https://coveralls.io/repos/github/ShipEngine/shipengine-php/badge.svg?branch=main&t=SkXqIE)](https://coveralls.io/github/ShipEngine/shipengine-php?branch=main)
-[![Latest Unstable Version](https://poser.pugx.org/shipengine/shipengine/v/unstable)](//packagist.org/packages/shipengine/shipengine)
+[![Latest Version](https://poser.pugx.org/shipengine/shipengine/v)](//packagist.org/packages/shipengine/shipengine)
 [![License](https://poser.pugx.org/shipengine/shipengine/license)](//packagist.org/packages/shipengine/shipengine)
 ![OS Compatibility](https://shipengine.github.io/img/badges/os-badges.svg)
-> :warning: **WARNING**: This is alpha software under active development. `Caveat emptor` until a 0.1.0 release is ready.
 
 A PHP library built on the [ShipEngine API](https://shipengine.com) offering low-level access as well as convenience methods.
 

composer.json

@@ -18,7 +18,6 @@
   "require": {
     "php": ">=7.4",
     "cbschuld/php-uuid-base58": "^1.0",
-    "friendsofphp/php-cs-fixer": "^2.18",
     "guzzlehttp/guzzle": "^7.0",
     "php-http/client-common": "^2.3.0",
     "php-http/discovery": "^1.12.0",
@@ -32,6 +31,7 @@
     "symfony/serializer": "^5.2"
   },
   "require-dev": {
+    "friendsofphp/php-cs-fixer": "^2.18",
     "guzzlehttp/psr7": "^1.7.0",
     "mockery/mockery": "^1.4",
     "php-coveralls/php-coveralls": "^2.4",
@@ -48,7 +48,10 @@
     }
   },
   "config": {
-    "sort-packages": true
+    "sort-packages": true,
+    "allow-plugins": {
+            "symfony/flex": true
+        }
   },
   "scripts": {
     "lint": "composer phpcs-fixer && composer phpcs && composer phpstan",