message: docs: Fixed docker README, added missing redocly repo name
diff: Serve remote spec by URL:
  docker run -it --rm -p 80:80 \
  - -e SPEC_URL='http://localhost:8000/swagger.yaml' redoc
  + -e SPEC_URL='http://localhost:8000/swagger.yaml' redocly/redoc
  Serve local file:
  docker run -it --rm -p 80:80 \
  - -v $(PWD)/demo/swagger.yaml:/usr/share/nginx/html/swagger.yaml \
  - -e SPEC_URL=swagger.yaml redoc
  + -v $(pwd)/demo/swagger.yaml:/usr/share/nginx/html/swagger.yaml \
  + -e SPEC_URL=swagger.yaml redocly/redoc
  ## Runtime configuration options
  @@ -23,4 +23,4 @@ Serve local file:
  ## Build
  - docker build -t redoc .
  + docker build -t redocly/redoc .
  