Adding composer.json for easier deploy

composer.json

+{
+    "name": "webkul/magento-connector",
+    "type": "library",
+    "description": "Webkul magento connector",
+    "autoload": {
+        "psr-4": {"Webkul\\Magento2Bundle\\": ""}
+    },
+    "minimum-stability": "stable"
+}