add keymap for ex

Author: andreacanton

README.md

@@ -55,10 +55,6 @@ Neovim's configurations are located under the following paths, depending on your
 so that you have your own copy that you can modify, then install by cloning the
 fork to your machine using one of the commands below, depending on your OS.
 
-> **NOTE**
-> Your fork's url will be something like this:
-> `https://github.com/<your_github_username>/kickstart.nvim.git`
-
 You likely want to remove `lazy-lock.json` from your fork's `.gitignore` file
 too - it's ignored in the kickstart repo to make maintenance easier, but it's
 [recommmended to track it in version control](https://lazy.folke.io/usage/lockfile).

init.lua

@@ -190,6 +190,7 @@ vim.keymap.set('n', '<C-l>', '<C-w><C-l>', { desc = 'Move focus to the right win
 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>e', ':Ex<cr>', { desc = 'open file explorer' })
 -- [[ Basic Autocommands ]]
 --  See `:help lua-guide-autocommands`