fix composer

fix composer

Author: Mostafa Kamal

composer.json

@@ -4,7 +4,7 @@
   "keywords": [
     "sslcommerz",
     "sslcommerz-payment",
-    "code4mk",
+    "code4mk"
   ],
   "homepage": "https://github.com/code4mk/lara-sslcommerz",
   "support": {