BREAKING Change for statusline_separator & tabufline overriders

moved statusline & tabufline into a new plugin to keep the base config clean and fix issues like (#1307)

lua/core/init.lua

@@ -44,8 +44,10 @@ autocmd("BufEnter", {
    command = "set fo-=c fo-=r fo-=o",
 })
 
+-- store listed buffers in tab local var
 vim.t.bufs = vim.api.nvim_list_bufs()
 
+-- autocmds for tabufline -> store bufnrs on bufadd, bufenter events
 -- thx to https://github.com/ii14 & stores buffer per tab -> table
 autocmd({ "BufAdd", "BufEnter" }, {
    callback = function(args)
@@ -79,12 +81,3 @@ autocmd("BufDelete", {
       end
    end,
 })
-
-local tabufline_opts = require("core.utils").load_config().ui.tabufline
-
-if tabufline_opts.enabled and tabufline_opts.lazyload then
-   require("core.lazy_load").tabufline()
-elseif tabufline_opts.enabled then
-   vim.opt.showtabline = 2
-   vim.opt.tabline = "%!v:lua.require'ui.tabline'.run()"
-end