Detect when file was updated outside of neovim

.config/nvim/lua/config/options.lua

@@ -19,4 +19,11 @@ vim.opt.wrap = true -- Enable line wrap
 
 vim.opt.spelllang = { "en", "nl" }
 
+-- Enable autoread and set up checking triggers
+vim.o.autoread = true
+vim.api.nvim_create_autocmd({ "FocusGained", "BufEnter" }, {
+	command = "if mode() != 'c' | checktime | endif",
+	pattern = "*",
+})
+
 -- Colorscheme is set in its plugin file