feat!: Replace callbacks with autocommand events (#25)

lua/auto-save/utils/autocommands.lua

@@ -0,0 +1,18 @@
+local M = {}
+
+local api = vim.api
+local augroup_name = "AutoSave"
+
+--- @param opts? table
+M.create_augroup = function(opts)
+  opts = opts or {}
+  api.nvim_create_augroup(augroup_name, opts)
+end
+
+--- @param pattern string
+--- @param saved_buffer number
+M.exec_autocmd = function(pattern, saved_buffer)
+  api.nvim_exec_autocmds("User", { pattern = pattern, data = { saved_buffer = saved_buffer } })
+end
+
+return M