fix(package.json): added Keywords

Author: arijitcodes

package.json

@@ -27,5 +27,14 @@
     "commitizen": "^4.3.1",
     "cz-conventional-changelog": "^3.3.0",
     "semantic-release": "^24.2.3"
-  }
+  },
+  "keywords": [
+    "microservices",
+    "websockets",
+    "real-time",
+    "communication",
+    "hub",
+    "microstream",
+    "microstream-hub"
+  ]
 }