NATS output plugin image

[alexanderGalushka]

have you considered supporting an image for NATS output plugin?

https://github.com/cloudfoundry-community/fluent-plugin-nats

also there is another one, which has not been officially published:

https://github.com/hc-chien/fluent-plugin-nats-streaming

[cosmo0920]

Currently, we are pending to add additional plugin images due to maintaining issue: #293

[kenhys]

As of deployment process was improved, there is a room for newer image build pipeline if user helps continuously maintain the image even though still have #293 issue. if you still have interest to do it, please create PR.