add scripts

.local/scripts/albumcover-update.bash

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+for file in *.opus; do
+	ffmpeg \
+		-hide_banner \
+		-i "${file}" -i "cover.jpg" \
+		-map_metadata 0:s:a:0 -disposition attached_pic \
+		-metadata date="$1" \
+		-c:a copy "0${file}"
+
+	rm "$file"
+	mv "0${file}" "${file#"0"}"
+done