[Openid-specs-risc] [openid/sharedsignals] 96bdc9: Update make instructions and add clarifications (#57)

[FragLegs]

  Branch: refs/heads/main
  Home:   https://github.com/openid/sharedsignals
  Commit: 96bdc9e2a8eeb1074f8fe2a7fad50ae9aa92d2cc
      https://github.com/openid/sharedsignals/commit/96bdc9e2a8eeb1074f8fe2a7fad50ae9aa92d2cc
  Author: Shayne Miel (he/him) <miel.shayne at gmail.com>
  Date:   2023-07-18 (Tue, 18 Jul 2023)

  Changed paths:
    M README.md
    M openid-sharedsignals-framework-1_0.html
    M openid-sharedsignals-framework-1_0.md
    M openid-sharedsignals-framework-1_0.txt

  Log Message:
  -----------
  Update make instructions and add clarifications (#57)

* Update make instructions and add clarifications

* Incorporate feedback from @tulshi

* Change will to MUST based on PR feedback