Merge pull request #137 from FloRul/form-processor-custom-form

add missing comma

lambdas/FormProcessor/FormRequestPreProcessorFunction/src/main/java/com/levio/awsdemo/formrequestpreprocessor/service/FormFillRequestDTO.java

@@ -25,7 +25,7 @@ public FormFillRequestDTO(String emailId, String formKey, String attachmentKey)
     public String toJson() {
         return "{" +
                 "\"emailId\":\"" + emailId + "\"," +
-                "\"formKey\":\"" + formKey + "\"" +
+                "\"formKey\":\"" + formKey + "\"," +
                 "\"attachmentKey\":\"" + attachmentKey + "\"" +
                 "}";
     }