[Openid-specs-risc] [openid/sharedsignals] fddfc8: updated README and gitignore files

[Atul Tulshibagwale]

  Branch: refs/heads/remove-output-files
  Home:   https://github.com/openid/sharedsignals
  Commit: fddfc884815cb6536861091560b1d8d018f6c1a8
      https://github.com/openid/sharedsignals/commit/fddfc884815cb6536861091560b1d8d018f6c1a8
  Author: Atul Tulshibagwale <atultulshi at gmail.com>
  Date:   2023-07-31 (Mon, 31 Jul 2023)

  Changed paths:
    M .gitignore
    M README.md

  Log Message:
  -----------
  updated README and gitignore files