add "hello world" to the readme (vibe-kanban)#1

ggordonhall wants to merge 2 commits intoBloopAI:mainBloopAI/apple-code-sign-action:mainfrom

ggordonhall:vk/8631-add-hello-worldggordonhall/apple-code-sign-action:vk/8631-add-hello-worldCopy head branch name to clipboard