syntaxe fish pour vim

applications/terminal/vim.nix

@@ -13,6 +13,7 @@ vim_configurable.customize {
       # They are installed managed by `vam` (a vim plugin manager)
       #"vim-addon-nix"
       "elm-vim"
+      "vim-fish"
       "vim-nix"
       "wombat256-vim"
     ]; }