This CL adds the `pw console` plugin command used to invoke
pw console on the command line and the embed() fuction. At
this point it does nothing. Follow up CLs will build up the
user interface and additional functionality.
Change-Id: I564541cf35c87634ece40604df1afe965f4bf601
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/48642
Pigweed-Auto-Submit: Anthony DiGirolamo <tonymd@google.com>
Reviewed-by: Joe Ethier <jethier@google.com>
Reviewed-by: Keir Mierle <keir@google.com>
Commit-Queue: Auto-Submit <auto-submit@pigweed.google.com.iam.gserviceaccount.com>
