replace vim-auto-save with AutoSave.nvim

lua/config/autosave.lua

@@ -0,0 +1,15 @@
+require("autosave").setup({
+	enabled = true,
+	execution_message = "Autosaved at " .. vim.fn.strftime("%H:%M:%S"),
+	events = { "InsertLeave", "TextChanged" },
+	conditions = {
+		exists = true,
+		filename_is_not = {},
+		filetype_is_not = {},
+		modifiable = true,
+	},
+	write_all_buffers = false,
+	on_off_commands = true,
+	clean_command_line_interval = 1000,
+	debounce_delay = 135,
+})