[profiles/desktop] modify neovim config

profiles/desktop/.config/nvim/lua/config/settings.lua

@@ -30,6 +30,24 @@ vim.opt.clipboard:append({ 'unnamedplus', 'unnamed' }) -- always use clipboard i
 vim.o.encoding = 'UTF-8' -- sets the character encoding used inside vim
 vim.o.title = true -- when on, the title of the window will be set to the value of 'titlestring'
 vim.o.signcolumn = 'yes'
+local augroup_ec = vim.api.nvim_create_augroup('augroup_ec', { clear = true })
+vim.api.nvim_create_autocmd('BufEnter', {
+  group = augroup_ec,
+  pattern = '*',
+  callback = function(args)
+    local ec = vim.b[args.buf].editorconfig
+    if not ec then
+      return
+    end
+
+    local max_len = ec.max_line_length
+    if max_len and max_len ~= 'off' then
+      vim.opt_local.colorcolumn = max_len
+    else
+      vim.opt_local.colorcolumn = ''
+    end
+  end,
+})
 
 -- spell checking
 vim.o.spell = true