Add luukvbaal/statuscol.nvim to allow for more statuscol layers

taken from nvim-lua#1196

lua/custom/plugins/statuscol.lua

@@ -0,0 +1,31 @@
+-- Provide a configurable 'statuscolumn' and click handlers
+return {
+  'luukvbaal/statuscol.nvim',
+  config = function()
+    vim.opt.fillchars = vim.g.have_nerd_font and { foldclose = '', foldopen = '', foldsep = ' ' } or { foldclose = '˃', foldopen = '˅', foldsep = ' ' }
+    vim.opt.foldcolumn = '1'
+
+    local builtin = require 'statuscol.builtin'
+    require('statuscol').setup {
+      -- configuration goes here, for example:
+      relculright = true, -- whether to right-align the cursor line number with 'relativenumber' set
+      segments = {
+        {
+          sign = { namespace = { 'diagnostic/signs' } },
+          click = 'v:lua.ScSa',
+        },
+        {
+          sign = { name = { '.*' }, colwidth = 1 }, -- signs like breakpoints, etc.
+          click = 'v:lua.ScSa',
+        },
+        { text = { builtin.lnumfunc }, click = 'v:lua.ScLa' }, -- line number that can be configured through a few options
+        {
+          sign = { namespace = { 'gitsigns' }, colwidth = 1 },
+          click = 'v:lua.ScSa',
+        },
+        { text = { builtin.foldfunc }, click = 'v:lua.ScFa' }, -- fold column that does not print the fold depth digits
+        { text = { ' ' } }, -- whitespace padding
+      },
+    }
+  end,
+}