relative lines, undo buffer and window change

init.lua

@@ -102,7 +102,7 @@ vim.g.have_nerd_font = true
 vim.opt.number = true
 -- You can also add relative line numbers, to help with jumping.
 --  Experiment for yourself to see if you like it!
--- vim.opt.relativenumber = true
+vim.opt.relativenumber = true
 
 -- Enable mouse mode, can be useful for resizing splits for example!
 vim.opt.mouse = 'a'
@@ -122,7 +122,7 @@ end)
 vim.opt.breakindent = true
 
 -- Save undo history
-vim.opt.undofile = true
+vim.opt.undofile = false
 
 -- Case-insensitive searching UNLESS \C or one or more capital letters in the search term
 vim.opt.ignorecase = true
@@ -189,10 +189,10 @@ vim.keymap.set('t', '<Esc><Esc>', '<C-\\><C-n>', { desc = 'Exit terminal mode' }
 --  Use CTRL+<hjkl> to switch between windows
 --
 --  See `:help wincmd` for a list of all window commands
-vim.keymap.set('n', '<C-h>', '<C-w><C-h>', { desc = 'Move focus to the left window' })
-vim.keymap.set('n', '<C-l>', '<C-w><C-l>', { desc = 'Move focus to the right window' })
-vim.keymap.set('n', '<C-j>', '<C-w><C-j>', { desc = 'Move focus to the lower window' })
-vim.keymap.set('n', '<C-k>', '<C-w><C-k>', { desc = 'Move focus to the upper window' })
+vim.keymap.set('n', '<Leader>wi', '<C-w><C-h>', { desc = 'Move focus to the left window' })
+vim.keymap.set('n', '<Leader>we', '<C-w><C-l>', { desc = 'Move focus to the right window' })
+vim.keymap.set('n', '<Leader>wa', '<C-w><C-j>', { desc = 'Move focus to the lower window' })
+vim.keymap.set('n', '<Leader>wl', '<C-w><C-k>', { desc = 'Move focus to the upper window' })
 
 -- NOTE: Some terminals have coliding keymaps or are not able to send distinct keycodes
 -- vim.keymap.set("n", "<C-S-h>", "<C-w>H", { desc = "Move window to the left" })