update kubernetes sidecar injection setup instructions (#882)
update kubernetes sidecar injection setup instructions (#882)


geeknoid/istio.github.io,jasminejaksic/istio.github.io,geeknoid/istio.github.io,geeknoid/istio.github.io,ZackButcher/istio.github.io,linsun/istio.github.io,ZackButcher/istio.github.io,istio/istio.io,istio/istio.io,linsun/istio.github.io,ZackButcher/istio.github.io,linsun/istio.github.io,istio/istio.io,istio/istio.io,jasminejaksic/istio.github.io,linsun/istio.github.io,jasminejaksic/istio.github.io,geeknoid/istio.github.io,istio/istio.io,linsun/istio.github.io,ZackButcher/istio.github.io,jasminejaksic/istio.github.io,istio/istio.io,istio/istio.io,geeknoid/istio.github.io