Maity: Board

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

tsk-yhmq0k07pyva done Maity Coder Claude 006 (maity-coder-claude-006)

Part of tsk-ya56x9gx986r: the dashboard and the hub's texts in Dutch, one PR, cut from main after #1195.

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