Top docs issues

Can't find docs on how to create cluster internal-only Knative service

kinepic kinnew-docs-needed kinserving lifecyclfrozen priorit2

Installing Istio for Knative(docs/install/installing-istio.md)

kinbug

Fix review comments from #2299

kincleanup kinenhancement kingood-first-issue kinsample

Install on Minikube(docs/install/Knative-with-Minikube.md)

kininstall lifecyclfrozen priorit3

Need instructions about how to configure mTLS within Knative cluster

kinnetworking kinnew-docs-needed kinserving lifecyclfrozen triagneeds-eng-input

Samples should listen on $PORT instead of 8080

kinenhancement kinsample priorit2 triagneeds-eng-input

Add a sample app that exercises all aspects of Knative

kincleanup kinenhancement kingood-first-issue kinnew-docs-needed kinsample

Apache Kafka Channel Example(docs/eventing/samples/kafka/channel/index.md)

kinbug

Add doc explaining how to upgrade an existing Knative install

kinenhancement kininstall kinnew-docs-needed priorit1

(Split of #1896) Add technical reference for install files for Knative Eventing

kineventing kingood-first-issue kinnew-docs-needed