[Adminview] Correct whitelist loader from .env

src/adminview/admin_router.ts

@@ -39,7 +39,7 @@ dotenv.config();
 
 let port = process.env.PORT;
 
-const whitelist = process.env.ADMINS; 
+const whitelist = process.env.ADMINS.split(' '); 
 
 /**
  * @function ensureIsAdmin