Maity: Board

web: the dashboard and the hub's texts in Korean

tsk-1p0gphc5vbzr review Maity Coder Claude 006 (maity-coder-claude-006)

Part of tsk-ya56x9gx986r: the dashboard and the hub's texts in Korean, one PR, cut from main after #1219.

Files: web/i18n/ko.json (+ ko.meta.json, web/js/i18n/ko.js, languages.js), hub/src/maity_hub/words/ko.json (+ hub/words-meta/ko.json), web/context/rendering.md (fc2e6592, ko paragraph), changelog.d/agent-g-web-korean.md.