Better support for neovim: packages and treesitter

hosts/puter/packages.nix

@@ -9,6 +9,7 @@
     isNormalUser = true;
     description = "user";
     extraGroups = ["networkmanager" "wheel" "video" "libvirtd"];
+    programs.neovim.plugins = [pkgs.vimPlugins.nvim-treesitter.withAllGrammars];
     packages = with pkgs; [
       # stuff needed by neovim
       fzf
@@ -17,6 +18,9 @@
       neovim
       mcfly
       luajitPackages.luarocks-nix
+      pdflatex
+      tectonic
+      gs
 
       # Dev stuff, most of it might be replaced by devenvs later on
       ghostty