updating readme to reflect the addition of the close feature in the Avro module.
updating readme to reflect the addition of the close feature in the Avro module.

RUNDSP/avro-nodejs,RUNDSP/avro-nodejs,RUNDSP/avro-nodejs,GenslerAppsPod/avro-nodejs,GenslerAppsPod/avro-nodejs,RUNDSP/avro-nodejs,GenslerAppsPod/avro-nodejs