Replace vim.pack bootstrap and all vim.pack.add calls with lazy.nvim.
Convert kickstart and custom plugin files to return lazy specs.
Fix wezterm.nvim to only load when wezterm executable is present.
Co-Authored-By: Claude Sonnet 4 <noreply@anthropic.com>
This could help beginners to get autocompletion, catch mistakes earlier,
and allow them to skip the docs for simple configs.
This is not perfect because a lot of the plugins type all of their keys
as required, even though they have defaults, but this is good enough.