docs: add community directory install path
docs: refresh settings screenshots with bluetooth addon row
docs: note restart-required reinstall while addon is in use
docs: document in-app bluetooth addon install
docs: add timer command to command tables
docs: apply readthrough feedback on view opening, scale controls, hotkeys, and inline edits
docs: screenshot-driven 5-page restructure, drop troubleshooting
docs: add usage screenshots and development scripts from README
docs: add bilingual wiki pages (Home, Installation, Getting Started, Troubleshooting)
Initial Home page