correct error in versions json

src/main/resources/availableDLVersions.json

@@ -140,6 +140,7 @@
 				"https://repo1.maven.org/maven2/org/tensorflow/proto/1.15.0/proto-1.15.0.jar"
 			]
 		},
+		{
 			"engine": "Tensorflow",
 			"version": "1.14.0",
 			"pythonVersion": "1.14.0",