[Doc][Cookbook] Reading JSON Files - R

[asfimport]

Reporter: Alessandro Molina / @amol-
Assignee: Nicola Crane / @thisisnic

PRs and other links:

• GitHub Pull Request #64

_{Note: This issue was originally created as ARROW-13709. Please see the migration documentation for further details.}

[asfimport]

Nicola Crane / @thisisnic:
Issue resolved by pull request 64
apache/arrow-cookbook#64