nvim: use dedicated variable for CursorHold time

.config/nvim/lua/my/plugins.lua

@@ -17,6 +17,7 @@ require('packer').startup(function(use)
     -- settings
     use { 'https://github.com/owozsh/amora' }
     use { 'https://github.com/editorconfig/editorconfig-vim' }
+    use { 'https://github.com/antoinemadec/FixCursorHold.nvim' }
 
     -- filetypes
     use {

.config/nvim/lua/my/settings.lua

@@ -15,7 +15,6 @@ local options = {
     shiftwidth = 4,                         -- 1 indentation = 4 spaces
     completeopt = 'menu,menuone,noselect',  -- completion popup
     autochdir = true,                       -- change workir to current file dir
-    updatetime = 500,                       -- fire CursorHold autocommand event
     cmdheight = 2,                          -- message area size
     mouse = '',                             -- make use of mouse in these modes
     pumheight = 10,                         -- maximum entries in popup menu
@@ -28,6 +27,9 @@ for k, v in pairs(options) do
     vim.o[k] = v
 end
 
+-- fire CursorHold autocommand event (FixCursorHold.nvim)
+vim.g.cursorhold_updatetime = 500
+
 vim.api.nvim_create_user_command('Hv', 'vertical help <args>', {
     nargs = 1, complete = 'help'
 })