docs: add plugin cache cleanup to uninstall steps

docs: improve uninstall instructions with step-by-step cleanup guide

docs: add note about re-running install when already installed

docs: simplify install commands to single one-liner

chore: bump version to 0.3.0

feat: add silent theme for visual-only notifications

docs: add Korean README (README.ko.md)

fix: ensure game themes appear first in notify-theme skill

fix: restore minimized windows on notification click

fix: reliably bring caller app to front on notification click

docs: add update instructions to README

refactor: remove arcade/zen themes, prioritize game themes in docs

fix: replace placeholder wav with actual game SFX mp3 files

feat: add game sound themes (LoL, Hearthstone, StarCraft)

fix: auto-create config on first run and add allowed-tools to skill