add hinting to lua

Author: peturparkur

lua/utils/languages.lua

@@ -150,6 +150,9 @@ local Languages = {
           completion = {
             callSnippet = 'Replace',
           },
+          hint = {
+            enable = true,
+          },
           -- You can toggle below to ignore Lua_LS's noisy `missing-fields` warnings
           -- diagnostics = { disable = { 'missing-fields' } },
         },