nvim: move to services we do not specify a pkgset

services/nvim/lsp/bash.nix

@@ -0,0 +1,15 @@
+{
+  lib,
+  config,
+  pkgs,
+  ...
+}:
+
+lib.optionalAttrs (lib.elem "nvim::lsp::bash" config.machine.pkgs) {
+  bashls = {
+    cmd = [
+      "${pkgs.nodePackages.bash-language-server}/bin/bash-language-server"
+      "start"
+    ];
+  };
+}