massive rewrite using flake-parts

Signed-off-by: Amneesh Singh <natto@weirdnatto.in>

pkgs/customscripts/src/ytmp3

@@ -0,0 +1,9 @@
+#!/usr/bin/env nix-shell
+#! nix-shell -i bash -p ffmpeg yt-dlp
+yt-dlp -f bestaudio -o "ytmp3.%(title)s.%(ext)s" "$1"
+file=$(echo ytmp3.*.*)
+newfile=$(echo $file | cut -c 7-)
+mv "$file" "$newfile"
+ffmpeg -i "$newfile" -c:a mp3 "${newfile%.*}.mp3"
+rm "$newfile"
+#trust me ive a reason for lossy->lossy transcoding