Add a parameter for max string size. Ideally Avro-C should know how to handle this, but for now this works
Add a parameter for max string size. Ideally Avro-C should know how to handle this, but for now this works

grisha/json2avro,kadeng/json2avro,kadeng/json2avro,kadeng/json2avro,grisha/json2avro,grisha/json2avro,grisha/json2avro,kadeng/json2avro,grisha/json2avro,kadeng/json2avro