[Feature Request] Add Network Policy Support for fluentd chart

[philnielsen]

It would be nice if there was support for Network Policies (disabled by default) within the charts, so we could utilize the security features if desired.

[mkilchhofer]

It's already implemented for the fluent-bit chart via #65

[Vaibhav-C-S]

Hi, can i work on this issue for creating network policy for fluentd chart.