Implemented folding and some improvements. Moved functions to the utils module

lua/config/autocmds.lua

@@ -1,9 +1,8 @@
 -- Save the last file on exit
 vim.api.nvim_create_autocmd("VimLeave", {
 	callback = function()
-		-- Save the last file path to a file
 		local last_file = vim.fn.expand('%:p') -- Get the absolute path of the current file
-		if last_file ~= "" then
+		if last_file ~= "" then          -- The operator means not equal in lua
 			local file = io.open(vim.fn.stdpath('data') .. "/lastfile.txt", "w")
 			if file then
 				file:write(last_file)
@@ -12,3 +11,18 @@ vim.api.nvim_create_autocmd("VimLeave", {
 		end
 	end,
 })
+
+vim.api.nvim_create_augroup("RememberFolds", {
+	clear = true
+})
+vim.api.nvim_create_autocmd({"BufWinLeave"}, {
+  group = "RememberFolds",
+  pattern = "*",
+  command = "silent! mkview",
+})
+vim.api.nvim_create_autocmd({"BufWinEnter"}, {
+  group = "RememberFolds",
+  pattern = "*",
+  command = "silent! loadview",
+})
+