add tabbar plugin

after/plugin/tabline.lua

@@ -4,8 +4,5 @@ if not status_ok then
 end
 
 tabline.setup {
-  layout = {
-    { type = 'taglist' },
-  },
-  seperator = '|',
+  closeicon = "%#Constant#[x]"
 }

lua/conf/plugins.lua

@@ -29,6 +29,9 @@ require('dep') {
   { 'lukas-reineke/headlines.nvim',
     requires = 'nvim-neorg/neorg'
   },
+  { 'squibid/tar', -- tab bar
+    url = 'https://git.squi.bid/tar'
+  },
 
   -- functional plugins -------------------------------------------------------
   { 'lewis6991/gitsigns.nvim' }, -- very helpful git things