frontend: mpv: add desc to plugins

as names are sometimes too arbitary for me

nix/nixos-modules/frontend/home.nix

@@ -205,15 +205,15 @@ in
         #ytdl-format = "bestvideo[height<=?1080]+bestaudio/best";
       };
       scripts = with pkgs.mpvScripts; [
-        autoload
+        autoload # "autoplay" files in same dir
-        evafast
+        evafast # VHC rewind effect
-        modernx-zydezu
+        modernx-zydezu # modern OSC
         mpris
-        quack
+        quack # fade volume on seek
-        quality-menu
+        quality-menu # select quality on yt-dlp streaming
-        reload
+        reload # reload on connection-loss
         sponsorblock
-        thumbfast
+        thumbfast # thumbnails on modernx
       ];
       scriptOpts =
         let