nixpkgs/neovim: add binding for log for fixup

.config/nixpkgs/neovim/mappings.lua

@@ -26,6 +26,7 @@ vim.keymap.set('n', '<Leader>c', '<cmd>set cursorline! cursorcolumn!<CR>', opts)
 
 -- git
 vim.keymap.set('n', '<Leader>gs', '<cmd>Git<CR>', opts)
+vim.keymap.set('n', '<Leader>gll', '<cmd>Git log --oneline origin/HEAD..HEAD<CR>', opts)
 vim.keymap.set('n', '<Leader>gb', '<cmd>Telescope git_branches<CR>', opts)
 
 -- undotree