* Add an elixir language sample using the phoenix framework to the knative serving samples.
* Add links to Elixir and Phoenix Web sites.
* remove giant package-lock.json
* change -go to -elixir in readme.
* Update the Elixir example so that it builds with Google's Cloud Build service. Add an approprite .gcloudignore file so that this can be done using the gcloud command line tool.
* Add an elixir language sample using the phoenix framework to the knative serving samples.
* Add links to Elixir and Phoenix Web sites.
* remove giant package-lock.json
* change -go to -elixir in readme.