add yt-dlp zsh alias

users/blake/dots/core/zsh/default.nix

@@ -86,6 +86,16 @@ in {
           rebuild = "sh ${home_dir}/.nix/bin/rebuild";
           perms = "sudo sh ${home_dir}/.nix/bin/fix-perms";
 
+          # --- yt-dlp ---
+          yt-music = ''
+            yt-dlp \
+              -f "bestaudio/best" \
+              --embed-metadata \
+              --embed-thumbnail \
+              --convert-thumbnails jpg \
+              -o "%(playlist_index)02d - %(title)s.%(ext)s"
+          '';
+
           # --- git ---
           status = "git status";
           add = "git add";