feat(archsetup): add loudgain-ffmpeg7, set mpd replaygain to auto

Add loudgain-ffmpeg7 (AUR) for ReplayGain/EBU R128 scanning.
Switch mpd replaygain from "track" to "auto" for album-aware playback.

1 files changed, 1 insertions, 0 deletions

diff --git a/archsetup b/archsetup
index 5015278..8867f6d 100755
--- a/archsetup
+++ b/archsetup
@@ -1969,6 +1969,7 @@ supplemental_software() {
     pacman_install mpd                               # music player daemon
     pacman_install mpc                               # mpd command line client
     pacman_install ncmpcpp                           # ncurses mpd client
+    aur_install loudgain-ffmpeg7                     # ReplayGain / EBU R128 scanner
     pacman_install opus                              # opus audio codec (all music in opus format)
     pacman_install wavpack                           # audio compression format
     pacman_install webkit2gtk                        # web content engine for GTK