Fix typo in README

Dependencies

• [2] U6EHWR7Y Tweak --gcroots
• [3] XHZM6RPT Add skip support to libdemo
• [4] SNMYL7H6 Update README
• [5] EINBKIWA Update README
• [6] 52F4Q6CJ Update README
• [7] WNFTZY3M Optionally prevent relevant nix store paths from being GC'ed
• [8] UWWBKZ4R Improve README
• [*] 7AUC4NKI Initial commit

Change contents

• replacement in README.md at line 27
  [3.202]→[3.202:371](∅→∅)
  − ⚠ The demos build a number obscure variants of packages that are not provided by https://cache.nixos.org/, so this might take a long time the first time you run them.
  [3.202]

  [3.371]
  + ⚠ The demos build a number of obscure variants of packages that are not provided by https://cache.nixos.org/, so this might take a long time the first time you run them.
• replacement in README.md at line 53
  [3.1893]→[3.2508:2585](∅→∅),[3.2585]→[2.1580:1719](∅→∅),[2.1719]→[3.2671:2711](∅→∅),[3.2671]→[3.2671:2711](∅→∅)
  − -h|--help|-?: Show usage"

  − -a|--auto: run in automatic mode (no pausing)"

  − -g|--gcroots <create|delete|recreate|print>: (re)create, delete, or print Nix garbage collector roots for nix build/run/develop outputs"

  − -l|--lint: run linter on shell files"
  [3.1893]

  [3.682]
  + -h|--help|-?: Show usage

  + -a|--auto: run in automatic mode (no pausing)

  + -g|--gcroots <create|delete|recreate|print>: (re)create, delete, or print Nix garbage collector roots for nix build/run/develop outputs

  + -l|--lint: run linter on shell files