fix(docs): correct wording and typos in s01 Japanese translation#211

mormorbump wants to merge 3 commits into

shareAI-lab:mainshareAI-lab/learn-claude-code:mainfrom

mormorbump:fix/s01-ja-typos-and-wordingmormorbump/learn-claude-code:fix/s01-ja-typos-and-wordingCopy head branch name to clipboard