Move keybindings to plugin files

lua/custom/plugins/neogit.lua

@@ -2,11 +2,12 @@ return {
   {
     'NeogitOrg/neogit',
     dependencies = {
-      'nvim-lua/plenary.nvim', -- required
-      'sindrets/diffview.nvim', -- optional - Diff integration
-
-      -- Only one of these is needed, not both.
-      'nvim-telescope/telescope.nvim', -- optional
+      'nvim-lua/plenary.nvim',
+      'sindrets/diffview.nvim',
+      'nvim-telescope/telescope.nvim',
+    },
+    keys = {
+      { '<leader>ng', ':Neogit cwd=%:p:h<CR>', desc = 'Open neogit repository for current buffer' },
     },
     config = function()
       require('neogit').setup {