which-key: add neorg hints

lua/neorg-configure.lua

@@ -12,6 +12,13 @@ vim.api.nvim_create_autocmd({ "FileType" }, {
   end,
 })
 
+-- document existing key chains
+require('which-key').register {
+  ['<leader>n'] = { name = '[N]eorg', _ = 'which_key_ignore' },
+  ['<leader>m'] = { name = 'neorg [M]ode', _ = 'which_key_ignore' },
+  ['<leader>l'] = { name = 'neorg [L]ist', _ = 'which_key_ignore' },
+}
+
 vim.api.nvim_set_keymap("n", "<Leader>ni", ":Neorg index<CR>",
   { noremap = true, silent = true, desc = "[N]eorg [I]ndex" })
 vim.api.nvim_set_keymap("n", "<Leader>nm", ":Neorg inject-metadata<CR>",