add configs for api-exchange

config/api-exchangerate.php

@@ -0,0 +1,6 @@
+<?php
+
+return [
+    'access_key' => env('API_EXCHANGE_API_KEY', 'test'),
+    'base_url'    => env('API_EXCHANGE_BASE_URL', 'https://api.exchangerate.host'),
+];

src/CurrencyServiceProvider.php

@@ -3,19 +3,31 @@
 namespace AmrShawky\LaravelCurrency;
 
 use AmrShawky\CurrencyFactory;
+use Illuminate\Foundation\Application as LaravelApplication;
 use Illuminate\Support\ServiceProvider;
 
 class CurrencyServiceProvider extends ServiceProvider
 {
     public function register()
     {
         $this->app->bind('Currency', function ($app) {
-            return new CurrencyFactory();
+            return new CurrencyFactory($app->config->get('api-exchangerate'));
         });
     }
 
     public function boot()
     {
+        $this->setupConfig();
+    }
 
+    protected function setupConfig(): void
+    {
+        $source = realpath(__DIR__.'/../config/api-exchangerate.php');
+        if ($this->app instanceof LaravelApplication && $this->app->runningInConsole()) {
+            $this->publishes([$source => config_path('api-exchangerate.php')]);
+        } elseif ($this->app instanceof LumenApplication) {
+            $this->app->configure('api-exchangerate');
+        }
+        $this->mergeConfigFrom($source, 'api-exchangerate');
     }
 }