added keymaps for moving around characters and lines

ansible/roles/neovim/files/nvim/lua/settings/keymap.lua

@@ -1,2 +1,37 @@
 vim.g.mapleader = " "
 vim.g.maplocalleader = " "
+
+local options = {
+  noremap = true,
+  silent = true
+}
+
+-- Move the current line down one line in normal mode
+vim.keymap.set('n', '<A-j>', ":move .+1<CR>==", options)
+
+-- Move the current line up one line in normal mode
+vim.keymap.set('n', '<A-k>', ":move .-2<CR>==", options)
+
+-- Move the character under the cursor one character forward in normal mode
+vim.keymap.set('n', '<A-l>', "xp", options)
+
+-- Move the character under the cursor one character backward in normal mode
+vim.keymap.set('n', '<A-h>', "xhP", options)
+
+-- Move the current range down one line in visual-line mode
+vim.keymap.set('x', '<A-j>', ":move '>+1<CR>gv=gv", options)
+
+-- Move the current range up one line in visual-line mode
+vim.keymap.set('x', '<A-k>', ":move '<-2<CR>gv=gv", options)
+
+-- Move the current line down one line in insert mode
+vim.keymap.set('i', '<A-j>', "<ESC>:move .+1<CR>==gi", options)
+
+-- Move the current line up one line in insert mode
+vim.keymap.set('i', '<A-k>', "<ESC>:move .-2<CR>==gi", options)
+
+-- Move the character under the cursor one character forward in insert mode
+vim.keymap.set('i', '<A-l>', "<ESC>lxpi", options)
+
+-- Move the character under the cursor one character backward in insert mode
+vim.keymap.set('i', '<A-h>', "<ESC>lxhPi", options)