fix(lua_ls): update settings

after/lsp/lua_ls.lua

@@ -5,7 +5,14 @@ vim.list_extend(lua_library_paths, require("pack").get_paths())
 return {
     settings = {
         Lua = {
-            completion = { showWord = "Disable" },
+            codeLens = {
+                enable = true,
+            },
+            completion = {
+                callSnippet = "Replace",
+                keywordSnippet = "Replace",
+                showWord = "Disable",
+            },
             runtime = {
                 version = "LuaJIT",
                 path = {
@@ -30,7 +37,7 @@ return {
             telemetry = { enable = false },
         },
     },
-    on_attach = function(client, bufnr)
+    on_attach = function(_, bufnr)
         local util = require("util")
 
         vim.keymap.set("n", "<leader>lf", function()