adding in tabs plugin

lua/custom/plugins/init.lua

@@ -97,4 +97,17 @@ return {
       end, {})
     end,
   },
+
+  -- add in shortcuts for next and previous buffer
+  {
+    'romgrk/barbar.nvim',
+    config = function()
+      vim.keymap.set('n', '<leader>9', function()
+        vim.cmd 'BufferPrevious'
+      end, {})
+      vim.keymap.set('n', '<leader>0', function()
+        vim.cmd 'BufferNext'
+      end, {})
+    end,
+  },
 }