Emacs lsp booster

nix/modules/emacs.nix

@@ -9,7 +9,7 @@ in
   programs.emacs.extraPackages = epkgs: [ epkgs.vterm ];
 
   home.packages = with pkgs; let
-    basePackages = [ zstd ];
+    basePackages = [ zstd emacs-lsp-booster ];
     macPackages = basePackages ++ [ coreutils ];
   in
     if isOnMac then macPackages else basePackages;