replace marks plugin with guttermarks

lua/custom/plugins/guttermarks.lua

@@ -0,0 +1,4 @@
+return {
+  'dimtion/guttermarks.nvim',
+  event = { 'BufReadPost', 'BufNewFile', 'BufWritePre', 'FileType' },
+}

lua/custom/plugins/marks.lua

@@ -1,5 +0,0 @@
-return {
-  'chentoast/marks.nvim',
-  event = 'VeryLazy',
-  opts = {},
-}