Added fixer-io api key provision in bagisto for exchange rated

.env.example

@@ -30,9 +30,12 @@ MAIL_PORT=2525
 MAIL_USERNAME=null
 MAIL_PASSWORD=null
 MAIL_ENCRYPTION=null
+
 SHOP_MAIL_FROM=shop@bagsaas.com
 ADMIN_MAIL_TO=admin@bagsaas.com
 
+fixer_api_key=
+
 PUSHER_APP_ID=
 PUSHER_APP_KEY=
 PUSHER_APP_SECRET=

config/services.php

@@ -29,6 +29,10 @@ return [
         'secret' => env('SPARKPOST_SECRET'),
     ],
 
+    'fixer' => [
+        'key' => env('fixer_api_key')
+    ],
+
     'stripe' => [
         'model' => App\User::class,
         'key' => env('STRIPE_KEY'),