added tabby and telescope tab for managing tabs in nvim

lua/custom/plugins/telescope-tab.lua

@@ -0,0 +1,26 @@
+local M = {
+  'LukasPietzschmann/telescope-tabs',
+  event = 'VeryLazy',
+}
+
+function M.config()
+  local wk = require 'which-key'
+  wk.register {
+    ['<leader>aa'] = {
+      "<cmd>lua require('telescope').extensions['telescope-tabs'].list_tabs(require('telescope.themes').get_dropdown{previewer = false, initial_mode='normal', prompt_title='Tabs'})<cr>",
+      'Find Tabs',
+    },
+  }
+
+  require('telescope-tabs').setup {
+    show_preview = false,
+    close_tab_shortcut_i = '<C-d>', -- if you're in insert mode
+    close_tab_shortcut_n = 'dd', -- if you're in normal mode
+    entry_formatter = function(tab_id, buffer_ids, file_names, file_paths, is_current)
+      local entry_string = table.concat(file_names, ', ')
+      return string.format('%d: %s%s', tab_id, entry_string, is_current and ' ' or '')
+    end,
+  }
+end
+
+return M