languages/wgsl: add example to lsp.package option

Author: kaktu5

modules/plugins/languages/wgsl.nix

@@ -9,7 +9,7 @@
   inherit (lib.modules) mkIf mkMerge;
   inherit (lib.nvim.lua) expToLua;
   inherit (lib.nvim.types) mkGrammarOption;
-  inherit (lib.options) mkEnableOption mkOption;
+  inherit (lib.options) literalExpression mkEnableOption mkOption;
   inherit (lib.types) either enum listOf package str;
 
   cfg = config.vim.languages.wgsl;
@@ -52,6 +52,7 @@ in {
 
       package = mkOption {
         description = "wgsl-analyzer package, or the command to run as a list of strings";
+        example = literalExpression "[(lib.getExe pkgs.wgsl-analyzer)]";
         type = either package (listOf str);
         default = pkgs.wgsl-analyzer;
       };