config-nvim/lua/config/keymaps.lua

-- Keymaps are automatically loaded on the VeryLazy event
-- Default keymaps that are always set: https://github.com/LazyVim/LazyVim/blob/main/lua/lazyvim/config/keymaps.lua
-- Add any additional keymaps here
--

-- movement keys (work in normal, visual, and operator-pending modes)
vim.keymap.set({ "n", "v", "o" }, "a", "<Left>", { desc = "Move left" })
vim.keymap.set({ "n", "v", "o" }, "e", "<Down>", { desc = "Move down" })
vim.keymap.set({ "n", "v", "o" }, "u", "<Up>", { desc = "Move up" })
vim.keymap.set({ "n", "v", "o" }, "o", "<Right>", { desc = "Move right" })

-- reassign original commands to freed hjkl (normal mode only)
vim.keymap.set("n", "h", "<Cmd>normal! u<CR>", { desc = "Undo" })
vim.keymap.set("n", "j", "a", { desc = "Append" })
vim.keymap.set("n", "k", "<Cmd>normal! e<CR>", { desc = "End of word" })
vim.keymap.set("n", "l", "<Cmd>normal! o<CR>", { desc = "Open line below" })