Update config.json

Author: security-alliance-bot

src/config.json

@@ -105106,6 +105106,7 @@
     "metamskytoss.gitbook.io",
     "metamzklgano.gitbook.io",
     "sign-incoinbase.gitbook.io",
-    "xn--coinbaseprologin-vb5f.gitbook.io"
+    "xn--coinbaseprologin-vb5f.gitbook.io",
+    "metamskdwnld.gitbook.io"
   ]
 }