sharex

is there config for sharex?
the one from sharex repo not working
`Error:
Response parse failed.
Newtonsoft.Json.JsonReaderException: Unexpected character encountered while parsing value: <. Path '', line 0, position 0.
at Newtonsoft.Json.JsonTextReader.ParseValue()
at Newtonsoft.Json.Linq.JToken.ReadFrom(JsonReader reader, JsonLoadSettings settings)
at Newtonsoft.Json.Linq.JToken.Parse(String json, JsonLoadSettings settings)
at ShareX.UploadersLib.CustomUploaderParser.ParseSyntaxJson(String syntaxJsonPath)
at ShareX.UploadersLib.CustomUploaderParser.ParseSyntax(String syntax, Boolean isOutput)
at ShareX.UploadersLib.CustomUploaderParser.Parse(String text, Boolean isOutput)
at ShareX.UploadersLib.CustomUploaderItem.ParseResponse(UploadResult result, ResponseInfo responseInfo, CustomUploaderInput input, Boolean isShortenedURL)
at ShareX.UploadersLib.ImageUploaders.CustomImageUploader.Upload(Stream stream, String fileName)`