Add declarative spotify config

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

hosts/common/user/configs/gui/spicetify/config/merge.sh

@@ -0,0 +1,19 @@
+SOURCE_FILE=$(realpath -m "$1")
+TARGET_FILE=$(realpath -m "$2")
+
+mkdir -p "$(dirname "$TARGET_FILE")"
+
+TEMP_FILE=$(mktemp)
+cat "$SOURCE_FILE" > "$TEMP_FILE"
+
+if [ -f "$TARGET_FILE" ]; then
+  while IFS='=' read -r key value; do
+    if ! grep -q "^${key}=" "$TEMP_FILE"; then
+      echo "${key}=${value}" >> "$TEMP_FILE"
+    fi
+  done < "$TARGET_FILE"
+fi
+
+mv "$TEMP_FILE" "$TARGET_FILE"
+
+echo "Configuration file $TARGET_FILE has been updated."

hosts/common/user/configs/gui/spicetify/config/prefs

@@ -0,0 +1,2 @@
+app.autostart-mode="off"
+storage.last-location="/home/nick/.cache/spotify/Storage"

hosts/common/user/configs/gui/spicetify/config/user-prefs

@@ -0,0 +1,7 @@
+audio.crossfade_v2=true
+audio.allow_downgrade=false
+audio.sync_bitrate_enumeration=4
+audio.play_bitrate_enumeration=4
+audio.play_bitrate_non_metered_migrated=true
+audio.play_bitrate_non_metered_enumeration=4
+ui.track_notifications_enabled=false