Refactored streams

Author: navaneedan07

concepts/streams/.meta/config.json

@@ -1,6 +1,6 @@
 {
   "blurb": "Java Streams provide a powerful way to process collections using a functional approach.",
-  "authors": ["Navaneedan"],
+  "authors": ["Navaneedan S"],
   "contributors": []
 }