home: configure mpv as default audio player

modules/universal/env/home-manager.nix

@@ -122,7 +122,8 @@ in
         md = "obsidian.desktop";
         thumb = "org.gnome.gThumb.desktop";
         video = "vlc.desktop";
-        audio = "vlc.desktop";
+        audio = "mpv.desktop";
+        # audio = "vlc.desktop";
       in {
         # HTML
         "text/html" = [ www ];
@@ -227,6 +228,7 @@ in
         </opml>
       '';
 
+
       # gnome feeds RSS viewer
       xdg.configFile."org.gabmus.gfeeds.json".text = builtins.toJSON {
         feeds = sysconfig.sane.feeds.rss;
@@ -498,6 +500,14 @@ in
           package = import ./web-browser.nix pkgs;
         };
 
+        mpv = {
+          enable = true;
+          config = {
+            save-position-on-quit = true;
+            keep-open = "yes";
+          };
+        };
+
         # "command not found" will cause the command to be searched in nixpkgs
         nix-index.enable = true;
       } // cfg.programs;

modules/universal/env/home-packages.nix

@@ -90,6 +90,7 @@ let
     libreoffice-fresh  # XXX colin: maybe don't want this on mobile
     lollypop
     mesa-demos
+    { pkg = mpv; dir = ".config/mpv/watch_later"; }
     networkmanagerapplet
 
     # settings (electron app). TODO: can i manage these settings with home-manager?