FLUME-1845. Document plugin.d directory structure
FLUME-1845. Document plugin.d directory structure

(Mike Percy via Hari Shreedharan)

tinawenqiao/flume,tmgstevens/flume,tmgstevens/flume,iaiengxia/flume,tmgstevens/flume,tinawenqiao/flume,tinawenqiao/flume,szaboferee/flume,iaiengxia/flume,iaiengxia/flume,szaboferee/flume,szaboferee/flume,iaiengxia/flume,tmgstevens/flume,tinawenqiao/flume,szaboferee/flume