Add undo extension to telescope (#1)

Co-authored-by: Musko, Mateusz <mateusz.musko@fujitsu.com>

init.lua

@@ -26,9 +26,10 @@ vim.opt.showmode = false
 --  Schedule the setting after `UiEnter` because it can increase startup-time.
 --  Remove this option if you want your OS clipboard to remain independent.
 --  See `:help 'clipboard'`
-vim.schedule(function()
+
-  vim.opt.clipboard = 'unnamedplus'
+-- vim.schedule(function()
-end)
+--   vim.opt.clipboard = 'unnamedplus'
+-- end)
 
 -- Enable break indent
 vim.opt.breakindent = true
@@ -60,6 +61,10 @@ vim.opt.splitbelow = true
 vim.opt.list = true
 vim.opt.listchars = { tab = '» ', trail = '·', nbsp = '␣' }
 
+-- Define tab as 4 spaces
+vim.opt.tabstop = 4
+vim.opt.shiftwidth = 4
+
 -- Preview substitutions live, as you type!
 vim.opt.inccommand = 'nosplit'
 
@@ -281,7 +286,7 @@ require('lazy').setup({
         end,
       },
       { 'nvim-telescope/telescope-ui-select.nvim' },
-
+      { 'debugloop/telescope-undo.nvim' },
       -- Useful for getting pretty icons, but requires a Nerd Font.
       { 'nvim-tree/nvim-web-devicons', enabled = vim.g.have_nerd_font },
     },
@@ -321,12 +326,16 @@ require('lazy').setup({
           ['ui-select'] = {
             require('telescope.themes').get_dropdown(),
           },
+          ['undo'] = {
+            -- telescope-undo.nvim config 
+          },
         },
       }
 
       -- Enable Telescope extensions if they are installed
       pcall(require('telescope').load_extension, 'fzf')
       pcall(require('telescope').load_extension, 'ui-select')
+      pcall(require('telescope').load_extension, 'undo')
 
       -- See `:help telescope.builtin`
       local builtin = require 'telescope.builtin'
@@ -340,6 +349,7 @@ require('lazy').setup({
       vim.keymap.set('n', '<leader>sr', builtin.resume, { desc = '[S]earch [R]esume' })
       vim.keymap.set('n', '<leader>s.', builtin.oldfiles, { desc = '[S]earch Recent Files ("." for repeat)' })
       vim.keymap.set('n', '<leader><leader>', builtin.buffers, { desc = '[ ] Find existing buffers' })
+      vim.keymap.set('n', '<leader>u', "<cmd> Telescope undo<cr>", {desc = '[u]ndo'})
 
       -- Slightly advanced example of overriding default behavior and theme
       vim.keymap.set('n', '<leader>/', function()