Initial commit: sway + uwsm desktop dotfiles

Nord-themed Wayland setup on sway (via uwsm), including:

- sway/swayidle/swaylock/swaddle — WM, idle/lock/inhibit
- waybar, rofi — bar and launcher
- dunst — notifications
- foot — terminal
- zsh (+fzf, syntax highlighting, autosuggestions) — shell
- mpd/rmpc/mpc, mpv — music and video
- nvim — editor (lazy.nvim)
- ly — login manager
- rbw + pinentry-rofi wrapper — Bitwarden/Vaultwarden CLI
- per-window-layout, clipvault — helper systemd services

mpd/mpd.conf

@@ -0,0 +1,16 @@
+music_directory     "/mnt/media1/music"
+playlist_directory   "~/.config/mpd/playlists"
+db_file              "~/.config/mpd/database"
+log_file             "~/.config/mpd/log"
+pid_file             "~/.config/mpd/pid"
+state_file           "~/.config/mpd/state"
+sticker_file         "~/.config/mpd/sticker.sql"
+bind_to_address      "~/.config/mpd/socket"
+bind_to_address      "127.0.0.1"
+port                 "6600"
+auto_update          "yes"
+audio_output {
+    type        "pipewire"
+    name        "MPD PipeWire Output"
+}
+replaygain      "album"