Merge test-directory-structure test into HTML Proofer's custom checks and run it in CI#73

kp54 merged 2 commits intomaincoderdojo-japan/dojocon2025.coderdojo.jp:mainfrom

merge-test-suites-to-html-proofercoderdojo-japan/dojocon2025.coderdojo.jp:merge-test-suites-to-html-prooferCopy head branch name to clipboard