chore: using Appsero/Client as composer library instead of loading from libs/

Author: nurul-umbhiya

composer.json

@@ -12,16 +12,23 @@
     "minimum-stability": "dev",
     "require": {
         "php": ">=7.0",
-        "composer/installers": "^1.9"
+        "composer/installers": "^1.9",
+        "appsero/client": "dev-develop"
     },
 
     "require-dev": {
-        "automattic/vipwpcs": "dev-master",
+        "automattic/vipwpcs": "^2.3",
         "dealerdirect/phpcodesniffer-composer-installer": "^0.7"
     },
    "scripts": {
         "phpcs": [
           "phpcs -p -s"
         ]
-   }
+   },
+    "config": {
+        "allow-plugins": {
+            "composer/installers": true,
+            "dealerdirect/phpcodesniffer-composer-installer": true
+        }
+    }
 }

composer.lock

@@ -70,6 +70,8 @@ class WeDevs_WC_Conversion_Tracking {
      * within our plugin.
      */
     public function __construct() {
+	    require_once __DIR__ . '/vendor/autoload.php';
+
         $this->define_constants();
         $this->init_hooks();
         $this->includes();
@@ -241,10 +243,6 @@ public function plugin_upgrades() {
      * @return void
      */
     public function init_tracker() {
-        if ( ! class_exists( 'Appsero\Client' ) ) {
-            require_once __DIR__ . '/lib/appsero/Client.php';
-        }
-
         $client = new Appsero\Client(
             '6816029d-7d48-4ed3-8ae4-aeb6a9496f21',
             'WooCommerce Conversion Tracking',