thinkpads: enable blueman

hosts/thinkpads/default.nix

@@ -24,6 +24,8 @@
     touchpad.tapping = true;
   };
 
+  services.blueman.enable = true;
+
   # audio controls and polybar module don't work on pipewire
   # hardware.pulseaudio = {
   #  enable = true;