about seatunnel v2.x transform plugins

[hangliu1994]

seatunnel v2.x transform插件还支持例如date\convert\json 这些在1.x提供的插件功能吗

[ruanwenjun]

Only support json transform plugin in spark engine in v2.1.0, and might support others in follow-up version. If you are interesting in this, welcome to contribute.