Handling the contract schema issues

[preetkaran20]

 "vulnerabilityTypes":[
                     {
                        "identifierType":"Custom",
                        "value":"UNRESTRICTED_FILE_UPLOAD"
                     },
                     {
                        "identifierType":"CWE",
                        "value":"434"
                     },
                     {
                        "identifierType":"Custom",
                        "value":"PERSISTENT_XSS"
                     },
                     {
                        "identifierType":"CWE",
                        "value":"79"
                     },
                     {
                        "identifierType":"WASC",
                        "value":"8"
                     },
                     {
                        "identifierType":"Custom",
                        "value":"REFLECTED_XSS"
                     },
                     {
                        "identifierType":"CWE",
                        "value":"79"
                     },
                     {
                        "identifierType":"WASC",
                        "value":"8"
                     }
                  ],

@preetkaran20 have a look at this.