Format markdown (#240)
Format markdown (#240)

Produced via:
  `prettier --write --prose-wrap=always $(find -name '*.md' | grep -v vendor | grep -v .github)`
/assign n3wscott vaikas
/cc n3wscott vaikas
knative-sandbox/scaling-group,knative-sandbox/scaling-group,knative-sandbox/sample-controller,knative-sandbox/sample-controller,knative-sandbox/net-gateway-api,knative-sandbox/net-gateway-api