Adding code-blocks
Merge remote-tracking branch 'origin/master'

* origin/master: (48 commits)
  Update metadata.yml
  added video keys for 2 new videos on rest2
  Updating formatting
  Update link-all-the-resources.rst
  Update api-homepage.rst
  Update link-all-the-resources.rst
  Update hypermedia-media.rst
  Update hateoas-installation.rst
  HALLLL
  Update metadata.yml
  Rename hal-collection to hal-collection.rst
  Create hal-collection
  Update hal-browser.rst
  Update embedded-resources.rst
  Update metadata.yml
  Update and rename hateoas-linking-embedding.rst to hateoas-linking.rst
  Create embedded-resources.rst
  Update hypermedia-media.rst
  Update metadata.yml
  Update metadata.yml
  ...