neovim: correct yml indent and add clipboard support

configuration/common/pkg/neovim.nix

@@ -2,6 +2,7 @@
 let
   commonPkgs = with pkgs; [
     neovim
+    xsel
   ];
   goPkgs = with pkgs.goPackages; [
     go
@@ -161,6 +162,13 @@ in {
               au FileType python setlocal define=^\s*\\(def\\\\|class\\)
           augroup END
           " }}}
+
+          " YAML {{{
+          augroup ft_yaml
+              au!
+              setlocal autoindent sw=2 et tabstop=2 shiftwidth=2 softtabstop=2
+          augroup END
+          " }}}
          '';
 
 #         vam.knownPlugins = pkgs.vimPlugins; # optional
@@ -188,6 +196,7 @@ in {
         pandocfilters
         htmltreediff
         html5lib
+        dbus
       ] ++ pythonPkgs;
       withPython3 = false;
     };