Fix invalid YAML frontmatter in setup skill template#55

Snow9666 wants to merge 1 commit intobmad-code-org:mainbmad-code-org/bmad-builder:mainfrom

Snow9666:fix/setup-skill-template-yaml-frontmatterSnow9666/bmad-builder:fix/setup-skill-template-yaml-frontmatterCopy head branch name to clipboard