composer.json update (add keywords)

Author: EnterVPL

composer.json

@@ -3,6 +3,15 @@
     "description": "Easy to use json to object conversion with target class support",
     "type": "library",
     "license": "MIT",
+    "keywords": [
+        "json to object",
+        "json2object",
+        "json2obj",
+        "parse json to obj",
+        "parse json to object",
+        "json object parser",
+        "enlumop"
+    ],
     "autoload": {
         "psr-4": {
             "Enlumop\\JsonMapper\\": "src/"