nvim/lua/plugins/tooling.lua

return {
	{
		-- Package installer (for LSPs)
		"williamboman/mason.nvim",
		opts = {}
	},
	{
		-- Highlight color codes (like #A3F041)
		"norcalli/nvim-colorizer.lua",
		-- event = { "BufNew" },	-- will not call autocmd when opening a file the first time
		config = function()
			require("colorizer").setup({'*'}, { RRGGBBAA = true })

			-- trigger highlighting when opening a new buffer
			vim.api.nvim_create_autocmd(
				{ "BufNew", "BufRead" },
				{
					callback = function()
						local colorizer = require("colorizer")
						local options = nil
						if colorizer.is_buffer_attached(0) then
							options = colorizer.get_buffer_options(0)
						end
						colorizer.attach_to_buffer(0, options)
					end
				})
		end,
	}
}