adds a few sentences about Hazelcast to readme

README.md

@@ -1,6 +1,10 @@
 # Hazelcast Node.js Client
 Node.js Client for Hazelcast, using Hazelcast Open Client Protocol 1.0 for Hazelcast 3.6 and higher
 
+**Hazelcast** is a clustering and highly scalable data distribution platform.
+
+With its various distributed data structures, distributed caching capabilities, elastic nature and more importantly with so many happy users, Hazelcast is feature-rich, enterprise-ready and developer-friendly in-memory data grid solution.
+
 > **NOTE: This project is currently in active development.**
 
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